# Centered pentagonal number

Here given code implementation process.

``````// C Program for
// Centered pentagonal number
#include <stdio.h>

void centeredPentagonalNo(int k)
{
// Print all initial k centered pentagonal number
for (int n = 1; n <= k; ++n)
{
//   Formula
//   (5n² - 5n + 2)
//   ———————————————
//        5

// Calculate nth pentagonal number
int result = (5 *(n *n) - 5 *n + 2) / 2;

// Display Calculated value
printf("  %d", result);
}
}
int main()
{
// Centered pentagonal numbers are
// —————————————————————————————————————————————
// 1, 6, 16, 31, 51, 76, 106, 141, 181, 226, 276,
// 331, 391, 456, 526, 601, 681, 766, 856, 951,
// 1051, 1156, 1266, 1381, 1501, 1626 ... etc

//  Test  k = 10
centeredPentagonalNo(10);
return 0;
}``````

#### Output

``  1  6  16  31  51  76  106  141  181  226``
``````// Java program for
// Centered pentagonal number
public class CenteredPentagonal
{
public void centeredPentagonalNo(int k)
{
// Print all initial k centered pentagonal number
for (int n = 1; n <= k; ++n)
{
//   Formula
//   (5n² - 5n + 2)
//   ———————————————
//        5

// Calculate nth pentagonal number
int result = (5 * (n * n) - 5 * n + 2) / 2;

// Display Calculated value
System.out.print(" " + result);
}
}
public static void main(String[] args)
{
// Centered pentagonal numbers are
// —————————————————————————————————————————————
// 1, 6, 16, 31, 51, 76, 106, 141, 181, 226, 276,
// 331, 391, 456, 526, 601, 681, 766, 856, 951,
// 1051, 1156, 1266, 1381, 1501, 1626 ... etc

//  Test  k = 10
}
}``````

#### Output

`` 1 6 16 31 51 76 106 141 181 226``
``````// Include header file
#include <iostream>
using namespace std;
// C++ program for
// Centered pentagonal number

class CenteredPentagonal
{
public: void centeredPentagonalNo(int k)
{
// Print all initial k centered pentagonal number
for (int n = 1; n <= k; ++n)
{
//   Formula
//   (5n² - 5n + 2)
//   ———————————————
//        5

// Calculate nth pentagonal number
int result = (5 *(n *n) - 5 *n + 2) / 2;

// Display Calculated value
cout << " " << result;
}
}
};
int main()
{
// Centered pentagonal numbers are
// —————————————————————————————————————————————
// 1, 6, 16, 31, 51, 76, 106, 141, 181, 226, 276,
// 331, 391, 456, 526, 601, 681, 766, 856, 951,
// 1051, 1156, 1266, 1381, 1501, 1626 ... etc
//  Test  k = 10
return 0;
}``````

#### Output

`` 1 6 16 31 51 76 106 141 181 226``
``````// Include namespace system
using System;
// Csharp program for
// Centered pentagonal number
public class CenteredPentagonal
{
public void centeredPentagonalNo(int k)
{
// Print all initial k centered pentagonal number
for (int n = 1; n <= k; ++n)
{
//   Formula
//   (5n² - 5n + 2)
//   ———————————————
//        5

// Calculate nth pentagonal number
int result = (5 * (n * n) - 5 * n + 2) / 2;

// Display Calculated value
Console.Write(" " + result);
}
}
public static void Main(String[] args)
{
// Centered pentagonal numbers are
// —————————————————————————————————————————————
// 1, 6, 16, 31, 51, 76, 106, 141, 181, 226, 276,
// 331, 391, 456, 526, 601, 681, 766, 856, 951,
// 1051, 1156, 1266, 1381, 1501, 1626 ... etc

//  Test  k = 10
}
}``````

#### Output

`` 1 6 16 31 51 76 106 141 181 226``
``````package main
import "fmt"
// Go program for
// Centered pentagonal number

func centeredPentagonalNo(k int) {
// Print all initial k centered pentagonal number
for n := 1 ; n <= k ; n++ {
//   Formula
//   (5n² - 5n + 2)
//   ———————————————
//        5

// Calculate nth pentagonal number
var result int = (5 * (n * n) - 5 * n + 2) / 2

// Display Calculated value
fmt.Print(" ", result)
}
}
func main() {

// Centered pentagonal numbers are
// —————————————————————————————————————————————
// 1, 6, 16, 31, 51, 76, 106, 141, 181, 226, 276,
// 331, 391, 456, 526, 601, 681, 766, 856, 951,
// 1051, 1156, 1266, 1381, 1501, 1626 ... etc

//  Test  k = 10
centeredPentagonalNo(10)
}``````

#### Output

`` 1 6 16 31 51 76 106 141 181 226``
``````<?php
// Php program for
// Centered pentagonal number
class CenteredPentagonal
{
public	function centeredPentagonalNo(\$k)
{
// Print all initial k centered pentagonal number
for (\$n = 1; \$n <= \$k; ++\$n)
{
//   Formula
//   (5n² - 5n + 2)
//   ———————————————
//        5

// Calculate nth pentagonal number
\$result = (int)((5 * (\$n * \$n) - 5 * \$n + 2) / 2);

// Display Calculated value
echo(" ".\$result);
}
}
}

function main()
{
// Centered pentagonal numbers are
// —————————————————————————————————————————————
// 1, 6, 16, 31, 51, 76, 106, 141, 181, 226, 276,
// 331, 391, 456, 526, 601, 681, 766, 856, 951,
// 1051, 1156, 1266, 1381, 1501, 1626 ... etc

//  Test  k = 10
}
main();``````

#### Output

`` 1 6 16 31 51 76 106 141 181 226``
``````// Node JS program for
// Centered pentagonal number
class CenteredPentagonal
{
centeredPentagonalNo(k)
{
// Print all initial k centered pentagonal number
for (var n = 1; n <= k; ++n)
{
//   Formula
//   (5n² - 5n + 2)
//   ———————————————
//        5

// Calculate nth pentagonal number
var result = parseInt((5 * (n * n) - 5 * n + 2) / 2);

// Display Calculated value
process.stdout.write(" " + result);
}
}
}

function main()
{
// Centered pentagonal numbers are
// —————————————————————————————————————————————
// 1, 6, 16, 31, 51, 76, 106, 141, 181, 226, 276,
// 331, 391, 456, 526, 601, 681, 766, 856, 951,
// 1051, 1156, 1266, 1381, 1501, 1626 ... etc

//  Test  k = 10
}
main();``````

#### Output

`` 1 6 16 31 51 76 106 141 181 226``
``````#  Python 3 program for
#  Centered pentagonal number
class CenteredPentagonal :
def centeredPentagonalNo(self, k) :
n = 1
#  Print all initial k centered pentagonal number
while (n <= k) :
#    Formula
#    (5n² - 5n + 2)
#    ———————————————
#         5

#  Calculate nth pentagonal number
result = int((5 * (n * n) - 5 * n + 2) / 2)

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

def main() :
#  Centered pentagonal numbers are
#  —————————————————————————————————————————————
#  1, 6, 16, 31, 51, 76, 106, 141, 181, 226, 276,
#  331, 391, 456, 526, 601, 681, 766, 856, 951,
#  1051, 1156, 1266, 1381, 1501, 1626 ... etc

#   Test  k = 10

if __name__ == "__main__": main()``````

#### Output

``  1  6  16  31  51  76  106  141  181  226``
``````#  Ruby program for
#  Centered pentagonal number
class CenteredPentagonal
def centeredPentagonalNo(k)
n = 1
#  Print all initial k centered pentagonal number
while (n <= k)
#    Formula
#    (5n² - 5n + 2)
#    ———————————————
#         5

#  Calculate nth pentagonal number
result = (5 * (n * n) - 5 * n + 2) / 2

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

end

end

def main()
#  Centered pentagonal numbers are
#  —————————————————————————————————————————————
#  1, 6, 16, 31, 51, 76, 106, 141, 181, 226, 276,
#  331, 391, 456, 526, 601, 681, 766, 856, 951,
#  1051, 1156, 1266, 1381, 1501, 1626 ... etc

#   Test  k = 10
end

main()``````

#### Output

`` 1 6 16 31 51 76 106 141 181 226``
``````// Scala program for
// Centered pentagonal number
class CenteredPentagonal()
{
def centeredPentagonalNo(k: Int): Unit = {
var n: Int = 1;
// Print all initial k centered pentagonal number
while (n <= k)
{
//   Formula
//   (5n² - 5n + 2)
//   ———————————————
//        5

// Calculate nth pentagonal number
var result: Int = (5 * (n * n) - 5 * n + 2) / 2;

// Display Calculated value
print(" " + result);
n += 1;
}
}
}
object Main
{
def main(args: Array[String]): Unit = {
var task: CenteredPentagonal = new CenteredPentagonal();
// Centered pentagonal numbers are
// —————————————————————————————————————————————
// 1, 6, 16, 31, 51, 76, 106, 141, 181, 226, 276,
// 331, 391, 456, 526, 601, 681, 766, 856, 951,
// 1051, 1156, 1266, 1381, 1501, 1626 ... etc

//  Test  k = 10
}
}``````

#### Output

`` 1 6 16 31 51 76 106 141 181 226``
``````// Swift 4 program for
// Centered pentagonal number
class CenteredPentagonal
{
func centeredPentagonalNo(_ k: Int)
{
var n: Int = 1;
// Print all initial k centered pentagonal number
while (n <= k)
{
//   Formula
//   (5n² - 5n + 2)
//   ———————————————
//        5

// Calculate nth pentagonal number
let result: Int = (5 * (n * n) - 5 * n + 2) / 2;

// Display Calculated value
print(" ", result, terminator: "");
n += 1;
}
}
}
func main()
{
// Centered pentagonal numbers are
// —————————————————————————————————————————————
// 1, 6, 16, 31, 51, 76, 106, 141, 181, 226, 276,
// 331, 391, 456, 526, 601, 681, 766, 856, 951,
// 1051, 1156, 1266, 1381, 1501, 1626 ... etc
//  Test  k = 10
}
main();``````

#### Output

``  1  6  16  31  51  76  106  141  181  226``
``````// Kotlin program for
// Centered pentagonal number
class CenteredPentagonal
{
fun centeredPentagonalNo(k: Int): Unit
{
var n: Int = 1;
// Print all initial k centered pentagonal number
while (n <= k)
{
//   Formula
//   (5n² - 5n + 2)
//   ———————————————
//        5

// Calculate nth pentagonal number
val result: Int = (5 * (n * n) - 5 * n + 2) / 2;

// Display Calculated value
print(" " + result);
n += 1;
}
}
}
fun main(args: Array < String > ): Unit
{
// Centered pentagonal numbers are
// —————————————————————————————————————————————
// 1, 6, 16, 31, 51, 76, 106, 141, 181, 226, 276,
// 331, 391, 456, 526, 601, 681, 766, 856, 951,
// 1051, 1156, 1266, 1381, 1501, 1626 ... etc
//  Test  k = 10
}``````

#### Output

`` 1 6 16 31 51 76 106 141 181 226``

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