# Nonagonal number

Here given code implementation process.

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

void nonagonalNo(int k)
{
// Print all initial k nonagonal number
for (int n = 1; n <= k; ++n)
{
// Formula
//  n(7n-5)
// ————————
//    2

// Calculate nth nonagonal number
int result = (n *(7 *n - 5)) / 2;

// Display calculated result
printf("  %d", result);
}
}
int main()
{
//  Nonagonal number are
// —————————————————————————————————————————————
//  1, 9, 24, 46, 75, 111, 154, 204, 261, 325, 396,
// 474, 559, 651, 750, 856, 969, 1089, 1216, 1350,
// 1491, 1639, 1794, 1956, 2125, 2301, 2484, 2674,
// 2871, 3075, 3286, 3504, 3729, 3961, 4200, 4446,
// 4699, 4959, 5226, 5500, 5781, 6069 ... etc

// k = 10
nonagonalNo(10);
return 0;
}``````

#### Output

``  1  9  24  46  75  111  154  204  261  325``
``````// Java program for
// Nonagonal number
public class NonagonalNumber
{
public void nonagonalNo(int k)
{
// Print all initial k nonagonal number
for (int n = 1; n <= k; ++n)
{
// Formula
//  n(7n-5)
// ————————
//    2

// Calculate nth nonagonal number
int result = (n * (7 * n - 5)) / 2;

// Display calculated result
System.out.print(" " + result);
}
}
public static void main(String[] args)
{
//  Nonagonal number are
// —————————————————————————————————————————————
//  1, 9, 24, 46, 75, 111, 154, 204, 261, 325, 396,
// 474, 559, 651, 750, 856, 969, 1089, 1216, 1350,
// 1491, 1639, 1794, 1956, 2125, 2301, 2484, 2674,
// 2871, 3075, 3286, 3504, 3729, 3961, 4200, 4446,
// 4699, 4959, 5226, 5500, 5781, 6069 ... etc

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

#### Output

`` 1 9 24 46 75 111 154 204 261 325``
``````// Include header file
#include <iostream>
using namespace std;
// C++ program for
// Nonagonal number

class NonagonalNumber
{
public: void nonagonalNo(int k)
{
// Print all initial k nonagonal number
for (int n = 1; n <= k; ++n)
{
// Formula
//  n(7n-5)
// ————————
//     2

// Calculate nth nonagonal number
int result = (n *(7 *n - 5)) / 2;

// Display calculated result
cout << " " << result;
}
}
};
int main()
{
//  Nonagonal number are
// —————————————————————————————————————————————
//  1, 9, 24, 46, 75, 111, 154, 204, 261, 325, 396,
// 474, 559, 651, 750, 856, 969, 1089, 1216, 1350,
// 1491, 1639, 1794, 1956, 2125, 2301, 2484, 2674,
// 2871, 3075, 3286, 3504, 3729, 3961, 4200, 4446,
// 4699, 4959, 5226, 5500, 5781, 6069 ... etc

// k = 10
return 0;
}``````

#### Output

`` 1 9 24 46 75 111 154 204 261 325``
``````package main
import "fmt"
// Go program for
// Nonagonal number

func nonagonalNo(k int) {
// Print all initial k nonagonal number
for n := 1 ; n <= k ; n++ {
// Formula
//  n(7n-5)
// ————————
//    2

// Calculate nth nonagonal number
var result int = (n * (7 * n - 5)) / 2

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

//  Nonagonal number are
// —————————————————————————————————————————————
//  1, 9, 24, 46, 75, 111, 154, 204, 261, 325, 396,
// 474, 559, 651, 750, 856, 969, 1089, 1216, 1350,
// 1491, 1639, 1794, 1956, 2125, 2301, 2484, 2674,
// 2871, 3075, 3286, 3504, 3729, 3961, 4200, 4446,
// 4699, 4959, 5226, 5500, 5781, 6069 ... etc

// k = 10
nonagonalNo(10)
}``````

#### Output

`` 1 9 24 46 75 111 154 204 261 325``
``````// Include namespace system
using System;
// Csharp program for
// Nonagonal number
public class NonagonalNumber
{
public void nonagonalNo(int k)
{
// Print all initial k nonagonal number
for (int n = 1; n <= k; ++n)
{
// Formula
//  n(7n-5)
// ————————
//    2

// Calculate nth nonagonal number
int result = (n * (7 * n - 5)) / 2;

// Display calculated result
Console.Write(" " + result);
}
}
public static void Main(String[] args)
{
//  Nonagonal number are
// —————————————————————————————————————————————
//  1, 9, 24, 46, 75, 111, 154, 204, 261, 325, 396,
// 474, 559, 651, 750, 856, 969, 1089, 1216, 1350,
// 1491, 1639, 1794, 1956, 2125, 2301, 2484, 2674,
// 2871, 3075, 3286, 3504, 3729, 3961, 4200, 4446,
// 4699, 4959, 5226, 5500, 5781, 6069 ... etc

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

#### Output

`` 1 9 24 46 75 111 154 204 261 325``
``````<?php
// Php program for
// Nonagonal number
class NonagonalNumber
{
public	function nonagonalNo(\$k)
{
// Print all initial k nonagonal number
for (\$n = 1; \$n <= \$k; ++\$n)
{
// Formula
//  n(7n-5)
// ————————
//    2

// Calculate nth nonagonal number
\$result = (int)((\$n * (7 * \$n - 5)) / 2);

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

function main()
{
//  Nonagonal number are
// —————————————————————————————————————————————
//  1, 9, 24, 46, 75, 111, 154, 204, 261, 325, 396,
// 474, 559, 651, 750, 856, 969, 1089, 1216, 1350,
// 1491, 1639, 1794, 1956, 2125, 2301, 2484, 2674,
// 2871, 3075, 3286, 3504, 3729, 3961, 4200, 4446,
// 4699, 4959, 5226, 5500, 5781, 6069 ... etc

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

#### Output

`` 1 9 24 46 75 111 154 204 261 325``
``````// Node JS program for
// Nonagonal number
class NonagonalNumber
{
nonagonalNo(k)
{
// Print all initial k nonagonal number
for (var n = 1; n <= k; ++n)
{
// Formula
//  n(7n-5)
// ————————
//    2

// Calculate nth nonagonal number
var result = parseInt((n * (7 * n - 5)) / 2);

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

function main()
{
//  Nonagonal number are
// —————————————————————————————————————————————
//  1, 9, 24, 46, 75, 111, 154, 204, 261, 325, 396,
// 474, 559, 651, 750, 856, 969, 1089, 1216, 1350,
// 1491, 1639, 1794, 1956, 2125, 2301, 2484, 2674,
// 2871, 3075, 3286, 3504, 3729, 3961, 4200, 4446,
// 4699, 4959, 5226, 5500, 5781, 6069 ... etc

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

#### Output

`` 1 9 24 46 75 111 154 204 261 325``
``````#  Python 3 program for
#  Nonagonal number
class NonagonalNumber :
def nonagonalNo(self, k) :
n = 1
#  Print all initial k nonagonal number
while (n <= k) :
#  Formula
#   n(7n-5)
#  ————————
#     2

#  Calculate nth nonagonal number
result = int((n * (7 * n - 5)) / 2)

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

def main() :
#   Nonagonal number are
#  —————————————————————————————————————————————
#   1, 9, 24, 46, 75, 111, 154, 204, 261, 325, 396,
#  474, 559, 651, 750, 856, 969, 1089, 1216, 1350,
#  1491, 1639, 1794, 1956, 2125, 2301, 2484, 2674,
#  2871, 3075, 3286, 3504, 3729, 3961, 4200, 4446,
#  4699, 4959, 5226, 5500, 5781, 6069 ... etc

#  k = 10

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

#### Output

``  1  9  24  46  75  111  154  204  261  325``
``````#  Ruby program for
#  Nonagonal number
class NonagonalNumber
def nonagonalNo(k)
n = 1
#  Print all initial k nonagonal number
while (n <= k)
#  Formula
#   n(7n-5)
#  ————————
#     2

#  Calculate nth nonagonal number
result = (n * (7 * n - 5)) / 2

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

end

end

def main()
#   Nonagonal number are
#  —————————————————————————————————————————————
#   1, 9, 24, 46, 75, 111, 154, 204, 261, 325, 396,
#  474, 559, 651, 750, 856, 969, 1089, 1216, 1350,
#  1491, 1639, 1794, 1956, 2125, 2301, 2484, 2674,
#  2871, 3075, 3286, 3504, 3729, 3961, 4200, 4446,
#  4699, 4959, 5226, 5500, 5781, 6069 ... etc

#  k = 10
end

main()``````

#### Output

`` 1 9 24 46 75 111 154 204 261 325``
``````// Scala program for
// Nonagonal number
class NonagonalNumber()
{
def nonagonalNo(k: Int): Unit = {
var n: Int = 1;
// Print all initial k nonagonal number
while (n <= k)
{
// Formula
//  n(7n-5)
// ————————
//    2

// Calculate nth nonagonal number
var result: Int = (n * (7 * n - 5)) / 2;

// Display calculated result
print(" " + result);
n += 1;
}
}
}
object Main
{
def main(args: Array[String]): Unit = {
var task: NonagonalNumber = new NonagonalNumber();
//  Nonagonal number are
// —————————————————————————————————————————————
//  1, 9, 24, 46, 75, 111, 154, 204, 261, 325, 396,
// 474, 559, 651, 750, 856, 969, 1089, 1216, 1350,
// 1491, 1639, 1794, 1956, 2125, 2301, 2484, 2674,
// 2871, 3075, 3286, 3504, 3729, 3961, 4200, 4446,
// 4699, 4959, 5226, 5500, 5781, 6069 ... etc

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

#### Output

`` 1 9 24 46 75 111 154 204 261 325``
``````// Swift 4 program for
// Nonagonal number
class NonagonalNumber
{
func nonagonalNo(_ k: Int)
{
var n: Int = 1;
// Print all initial k nonagonal number
while (n <= k)
{
// Formula
//  n(7n-5)
// ————————
//    2

// Calculate nth nonagonal number
let result: Int = (n * (7 * n - 5)) / 2;

// Display calculated result
print(" ", result, terminator: "");
n += 1;
}
}
}
func main()
{
//  Nonagonal number are
// —————————————————————————————————————————————
//  1, 9, 24, 46, 75, 111, 154, 204, 261, 325, 396,
// 474, 559, 651, 750, 856, 969, 1089, 1216, 1350,
// 1491, 1639, 1794, 1956, 2125, 2301, 2484, 2674,
// 2871, 3075, 3286, 3504, 3729, 3961, 4200, 4446,
// 4699, 4959, 5226, 5500, 5781, 6069 ... etc

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

#### Output

``  1  9  24  46  75  111  154  204  261  325``
``````// Kotlin program for
// Nonagonal number
class NonagonalNumber
{
fun nonagonalNo(k: Int): Unit
{
var n: Int = 1;
// Print all initial k nonagonal number
while (n <= k)
{
// Formula
//  n(7n-5)
// ————————
//    2

// Calculate nth nonagonal number
val result: Int = (n * (7 * n - 5)) / 2;

// Display calculated result
print(" " + result);
n += 1;
}
}
}
fun main(args: Array < String > ): Unit
{
//  Nonagonal number are
// —————————————————————————————————————————————
//  1, 9, 24, 46, 75, 111, 154, 204, 261, 325, 396,
// 474, 559, 651, 750, 856, 969, 1089, 1216, 1350,
// 1491, 1639, 1794, 1956, 2125, 2301, 2484, 2674,
// 2871, 3075, 3286, 3504, 3729, 3961, 4200, 4446,
// 4699, 4959, 5226, 5500, 5781, 6069 ... etc

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

#### Output

`` 1 9 24 46 75 111 154 204 261 325``

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