Hexagonal number

Here given code implementation process.

// C Program for
// Hexagonal number
#include <stdio.h>

void hexagonalNo(int k)
{
	// Print all initial k Hexagonal number
	for (int n = 1; n <= k; ++n)
	{
		// Formula
		// (2n² -n)
      
		// Calculate nth hexagonal number
		int result = (2 *(n *n) - n);
      
		// Display calculated result
		printf("  %d", result);
	}
}
int main()
{
	// Hexagonal number are
	// —————————————————————————————————————————————
	//  1, 6, 15, 28, 45, 66, 91, 120, 153, 190, 231, 
	//  276, 325, 378, 435, 496, 561, 630, 703, 780, 861, 
	//  946, 1035, 1128, 1225, 1326, 1431, 1540, 1653, 1770, 
	//  1891, 2016, 2145, 2278, 2415, 2556, 2701, 2850, 
	//  3003, 3160, 3321, 3486, 3655, 3828 ... etc
  
	// k = 10
	hexagonalNo(10);
	return 0;
}

Output

  1  6  15  28  45  66  91  120  153  190
// Java program for
// Heptagonal pyramidal number
public class HexagonalNumber
{
	public void hexagonalNo(int k)
	{
		// Print all initial k Hexagonal number
		for (int n = 1; n <= k; ++n)
		{
			// Formula
			// (2n² -n)
          
			// Calculate nth hexagonal number
			int result = (2 * (n * n) - n);
          
			// Display calculated result
			System.out.print(" " + result);
		}
	}
	public static void main(String[] args)
	{
		HexagonalNumber task = new HexagonalNumber();
		// Hexagonal number are
		// —————————————————————————————————————————————
		//  1, 6, 15, 28, 45, 66, 91, 120, 153, 190, 231, 
		//  276, 325, 378, 435, 496, 561, 630, 703, 780, 861, 
		//  946, 1035, 1128, 1225, 1326, 1431, 1540, 1653, 1770, 
		//  1891, 2016, 2145, 2278, 2415, 2556, 2701, 2850, 
		//  3003, 3160, 3321, 3486, 3655, 3828 ... etc
      
		// k = 10
		task.hexagonalNo(10);
	}
}

Output

 1 6 15 28 45 66 91 120 153 190
// Include header file
#include <iostream>
using namespace std;
// C++ program for
// Heptagonal pyramidal number

class HexagonalNumber
{
	public: void hexagonalNo(int k)
	{
		// Print all initial k Hexagonal number
		for (int n = 1; n <= k; ++n)
		{
			// Formula
			// (2n² -n)
          
			// Calculate nth hexagonal number
			int result = (2 *(n *n) - n);
          
			// Display calculated result
			cout << " " << result;
		}
	}
};
int main()
{
	HexagonalNumber *task = new HexagonalNumber();
	// Hexagonal number are
	// —————————————————————————————————————————————
	//  1, 6, 15, 28, 45, 66, 91, 120, 153, 190, 231, 
	//  276, 325, 378, 435, 496, 561, 630, 703, 780, 861, 
	//  946, 1035, 1128, 1225, 1326, 1431, 1540, 1653, 1770, 
	//  1891, 2016, 2145, 2278, 2415, 2556, 2701, 2850, 
	//  3003, 3160, 3321, 3486, 3655, 3828 ... etc
  
	// k = 10
	task->hexagonalNo(10);
	return 0;
}

Output

 1 6 15 28 45 66 91 120 153 190
package main
import "fmt"
// Go program for
// Heptagonal pyramidal number

func hexagonalNo(k int) {
	// Print all initial k Hexagonal number
	for n := 1 ; n <= k ; n++ {
		// Formula
		// (2n² -n)

		// Calculate nth hexagonal number
		var result int = (2 * (n * n) - n)
		
		// Display calculated result
		fmt.Print(" ", result)
	}
}
func main() {

	// Hexagonal number are
	// —————————————————————————————————————————————
	//  1, 6, 15, 28, 45, 66, 91, 120, 153, 190, 231, 
	//  276, 325, 378, 435, 496, 561, 630, 703, 780, 861, 
	//  946, 1035, 1128, 1225, 1326, 1431, 1540, 1653, 1770, 
	//  1891, 2016, 2145, 2278, 2415, 2556, 2701, 2850, 
	//  3003, 3160, 3321, 3486, 3655, 3828 ... etc

	// k = 10
	hexagonalNo(10)
}

Output

 1 6 15 28 45 66 91 120 153 190
// Include namespace system
using System;
// Csharp program for
// Heptagonal pyramidal number
public class HexagonalNumber
{
	public void hexagonalNo(int k)
	{
		// Print all initial k Hexagonal number
		for (int n = 1; n <= k; ++n)
		{
			// Formula
			// (2n² -n)
          
			// Calculate nth hexagonal number
			int result = (2 * (n * n) - n);
          
			// Display calculated result
			Console.Write(" " + result);
		}
	}
	public static void Main(String[] args)
	{
		HexagonalNumber task = new HexagonalNumber();
		// Hexagonal number are
		// —————————————————————————————————————————————
		//  1, 6, 15, 28, 45, 66, 91, 120, 153, 190, 231, 
		//  276, 325, 378, 435, 496, 561, 630, 703, 780, 861, 
		//  946, 1035, 1128, 1225, 1326, 1431, 1540, 1653, 1770, 
		//  1891, 2016, 2145, 2278, 2415, 2556, 2701, 2850, 
		//  3003, 3160, 3321, 3486, 3655, 3828 ... etc
      
		// k = 10
		task.hexagonalNo(10);
	}
}

Output

 1 6 15 28 45 66 91 120 153 190
<?php
// Php program for
// Heptagonal pyramidal number
class HexagonalNumber
{
	public	function hexagonalNo($k)
	{
		// Print all initial k Hexagonal number
		for ($n = 1; $n <= $k; ++$n)
		{
			// Formula
			// (2n² -n)
          
			// Calculate nth hexagonal number
			$result = (2 * ($n * $n) - $n);
          
			// Display calculated result
			echo(" ".$result);
		}
	}
}

function main()
{
	$task = new HexagonalNumber();
	// Hexagonal number are
	// —————————————————————————————————————————————
	//  1, 6, 15, 28, 45, 66, 91, 120, 153, 190, 231, 
	//  276, 325, 378, 435, 496, 561, 630, 703, 780, 861, 
	//  946, 1035, 1128, 1225, 1326, 1431, 1540, 1653, 1770, 
	//  1891, 2016, 2145, 2278, 2415, 2556, 2701, 2850, 
	//  3003, 3160, 3321, 3486, 3655, 3828 ... etc
  
	// k = 10
	$task->hexagonalNo(10);
}
main();

Output

 1 6 15 28 45 66 91 120 153 190
// Node JS program for
// Heptagonal pyramidal number
class HexagonalNumber
{
	hexagonalNo(k)
	{
		// Print all initial k Hexagonal number
		for (var n = 1; n <= k; ++n)
		{
			// Formula
			// (2n² -n)
          
			// Calculate nth hexagonal number
			var result = (2 * (n * n) - n);
          
			// Display calculated result
			process.stdout.write(" " + result);
		}
	}
}

function main()
{
	var task = new HexagonalNumber();
	// Hexagonal number are
	// —————————————————————————————————————————————
	//  1, 6, 15, 28, 45, 66, 91, 120, 153, 190, 231, 
	//  276, 325, 378, 435, 496, 561, 630, 703, 780, 861, 
	//  946, 1035, 1128, 1225, 1326, 1431, 1540, 1653, 1770, 
	//  1891, 2016, 2145, 2278, 2415, 2556, 2701, 2850, 
	//  3003, 3160, 3321, 3486, 3655, 3828 ... etc
  
	// k = 10
	task.hexagonalNo(10);
}
main();

Output

 1 6 15 28 45 66 91 120 153 190
#  Python 3 program for
#  Heptagonal pyramidal number
class HexagonalNumber :
	def hexagonalNo(self, k) :
		n = 1
		#  Print all initial k Hexagonal number
		while (n <= k) :
			#  Formula
			#  (2n² -n)
            
			#  Calculate nth hexagonal number
			result = (2 * (n * n) - n)

			#  Display calculated result
			print(" ", result, end = "")
			n += 1
		
	

def main() :
	task = HexagonalNumber()
	#  Hexagonal number are
	#  —————————————————————————————————————————————
	#   1, 6, 15, 28, 45, 66, 91, 120, 153, 190, 231, 
	#   276, 325, 378, 435, 496, 561, 630, 703, 780, 861, 
	#   946, 1035, 1128, 1225, 1326, 1431, 1540, 1653, 1770, 
	#   1891, 2016, 2145, 2278, 2415, 2556, 2701, 2850, 
	#   3003, 3160, 3321, 3486, 3655, 3828 ... etc
    
	#  k = 10
	task.hexagonalNo(10)

if __name__ == "__main__": main()

Output

  1  6  15  28  45  66  91  120  153  190
#  Ruby program for
#  Heptagonal pyramidal number
class HexagonalNumber 
	def hexagonalNo(k) 
		n = 1
		#  Print all initial k Hexagonal number
		while (n <= k) 
			#  Formula
			#  (2n² -n)
            
			#  Calculate nth hexagonal number
			result = (2 * (n * n) - n)

			#  Display calculated result
			print(" ", result)
			n += 1
		end

	end

end

def main() 
	task = HexagonalNumber.new()
	#  Hexagonal number are
	#  —————————————————————————————————————————————
	#   1, 6, 15, 28, 45, 66, 91, 120, 153, 190, 231, 
	#   276, 325, 378, 435, 496, 561, 630, 703, 780, 861, 
	#   946, 1035, 1128, 1225, 1326, 1431, 1540, 1653, 1770, 
	#   1891, 2016, 2145, 2278, 2415, 2556, 2701, 2850, 
	#   3003, 3160, 3321, 3486, 3655, 3828 ... etc
    
	#  k = 10
	task.hexagonalNo(10)
end

main()

Output

 1 6 15 28 45 66 91 120 153 190
// Scala program for
// Heptagonal pyramidal number
class HexagonalNumber()
{
	def hexagonalNo(k: Int): Unit = {
		var n: Int = 1;
		// Print all initial k Hexagonal number
		while (n <= k)
		{
			// Formula
			// (2n² -n)
          
			// Calculate nth hexagonal number
			var result: Int = (2 * (n * n) - n);
          
			// Display calculated result
			print(" " + result);
			n += 1;
		}
	}
}
object Main
{
	def main(args: Array[String]): Unit = {
		var task: HexagonalNumber = new HexagonalNumber();
		// Hexagonal number are
		// —————————————————————————————————————————————
		//  1, 6, 15, 28, 45, 66, 91, 120, 153, 190, 231, 
		//  276, 325, 378, 435, 496, 561, 630, 703, 780, 861, 
		//  946, 1035, 1128, 1225, 1326, 1431, 1540, 1653, 1770, 
		//  1891, 2016, 2145, 2278, 2415, 2556, 2701, 2850, 
		//  3003, 3160, 3321, 3486, 3655, 3828 ... etc
  
		// k = 10
		task.hexagonalNo(10);
	}
}

Output

 1 6 15 28 45 66 91 120 153 190
// Swift 4 program for
// Heptagonal pyramidal number
class HexagonalNumber
{
	func hexagonalNo(_ k: Int)
	{
		var n: Int = 1;
		// Print all initial k Hexagonal number
		while (n <= k)
		{
			// Formula
			// (2n² -n)
          
			// Calculate nth hexagonal number
			let result: Int = (2 * (n * n) - n);
          
			// Display calculated result
			print(" ", result, terminator: "");
			n += 1;
		}
	}
}
func main()
{
	let task: HexagonalNumber = HexagonalNumber();
	// Hexagonal number are
	// —————————————————————————————————————————————
	//  1, 6, 15, 28, 45, 66, 91, 120, 153, 190, 231, 
	//  276, 325, 378, 435, 496, 561, 630, 703, 780, 861, 
	//  946, 1035, 1128, 1225, 1326, 1431, 1540, 1653, 1770, 
	//  1891, 2016, 2145, 2278, 2415, 2556, 2701, 2850, 
	//  3003, 3160, 3321, 3486, 3655, 3828 ... etc
  
	// k = 10
	task.hexagonalNo(10);
}
main();

Output

  1  6  15  28  45  66  91  120  153  190
// Kotlin program for
// Heptagonal pyramidal number
class HexagonalNumber
{
	fun hexagonalNo(k: Int): Unit
	{
		var n: Int = 1;
		// Print all initial k Hexagonal number
		while (n <= k)
		{
			// Formula
			// (2n² -n)
          
			// Calculate nth hexagonal number
			val result: Int = (2 * (n * n) - n);
          
			// Display calculated result
			print(" " + result);
			n += 1;
		}
	}
}
fun main(args: Array < String > ): Unit
{
	val task: HexagonalNumber = HexagonalNumber();
	// Hexagonal number are
	// —————————————————————————————————————————————
	//  1, 6, 15, 28, 45, 66, 91, 120, 153, 190, 231, 
	//  276, 325, 378, 435, 496, 561, 630, 703, 780, 861, 
	//  946, 1035, 1128, 1225, 1326, 1431, 1540, 1653, 1770, 
	//  1891, 2016, 2145, 2278, 2415, 2556, 2701, 2850, 
	//  3003, 3160, 3321, 3486, 3655, 3828 ... etc
  
	// k = 10
	task.hexagonalNo(10);
}

Output

 1 6 15 28 45 66 91 120 153 190

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