Centered octagonal number
Here given code implementation process.
// C Program for
// Centered octagonal number
#include <stdio.h>
void centeredOctagonalNo(int k)
{
// Print all initial k centered octagonal number
for (int n = 1; n <= k; ++n)
{
// Formula
// (4n² - 4n + 1)
// Calculate nth octagonal number
int result = ((4 *(n *n) - 4 *n + 1));
// Display Calculated value
printf(" %d", result);
}
}
int main()
{
// Centered octagonal numbers are
// —————————————————————————————————————————————
// 1, 9, 25, 49, 81, 121, 169, 225, 289, 361
// 441, 529, 625, 729, 841, 961 ... etc
// Test k = 10
centeredOctagonalNo(10);
return 0;
}Output
1 9 25 49 81 121 169 225 289 361// Java program for
// Centered octagonal number
public class CenteredOctagonal
{
public void centeredOctagonalNo(int k)
{
// Print all initial k centered octagonal number
for (int n = 1; n <= k; ++n)
{
// Formula
// (4n² - 4n + 1)
// Calculate nth octagonal number
int result = ((4 * (n * n) - 4 * n + 1));
// Display calculated result
System.out.print(" " + result);
}
}
public static void main(String[] args)
{
CenteredOctagonal task = new CenteredOctagonal();
// Centered octagonal numbers are
// —————————————————————————————————————————————
// 1, 9, 25, 49, 81, 121, 169, 225, 289, 361
// 441, 529, 625, 729, 841, 961 ... etc
// Test k = 10
task.centeredOctagonalNo(10);
}
}Output
1 9 25 49 81 121 169 225 289 361// Include header file
#include <iostream>
using namespace std;
// C++ program for
// Centered octagonal number
class CenteredOctagonal
{
public: void centeredOctagonalNo(int k)
{
// Print all initial k centered octagonal number
for (int n = 1; n <= k; ++n)
{
// Formula
// (4n² - 4n + 1)
// Calculate nth octagonal number
int result = ((4 *(n *n) - 4 *n + 1));
// Display calculated result
cout << " " << result;
}
}
};
int main()
{
CenteredOctagonal *task = new CenteredOctagonal();
// Centered octagonal numbers are
// —————————————————————————————————————————————
// 1, 9, 25, 49, 81, 121, 169, 225, 289, 361
// 441, 529, 625, 729, 841, 961 ... etc
// Test k = 10
task->centeredOctagonalNo(10);
return 0;
}Output
1 9 25 49 81 121 169 225 289 361// Include namespace system
using System;
// Csharp program for
// Centered octagonal number
public class CenteredOctagonal
{
public void centeredOctagonalNo(int k)
{
// Print all initial k centered octagonal number
for (int n = 1; n <= k; ++n)
{
// Formula
// (4n² - 4n + 1)
// Calculate nth octagonal number
int result = ((4 * (n * n) - 4 * n + 1));
// Display calculated result
Console.Write(" " + result);
}
}
public static void Main(String[] args)
{
CenteredOctagonal task = new CenteredOctagonal();
// Centered octagonal numbers are
// —————————————————————————————————————————————
// 1, 9, 25, 49, 81, 121, 169, 225, 289, 361
// 441, 529, 625, 729, 841, 961 ... etc
// Test k = 10
task.centeredOctagonalNo(10);
}
}Output
1 9 25 49 81 121 169 225 289 361package main
import "fmt"
// Go program for
// Centered octagonal number
func centeredOctagonalNo(k int) {
// Print all initial k centered octagonal number
for n := 1 ; n <= k ; n++ {
// Formula
// (4n² - 4n + 1)
// Calculate nth octagonal number
var result int = ((4 * (n * n) - 4 * n + 1))
// Display calculated result
fmt.Print(" ", result)
}
}
func main() {
// Centered octagonal numbers are
// —————————————————————————————————————————————
// 1, 9, 25, 49, 81, 121, 169, 225, 289, 361
// 441, 529, 625, 729, 841, 961 ... etc
// Test k = 10
centeredOctagonalNo(10)
}Output
1 9 25 49 81 121 169 225 289 361<?php
// Php program for
// Centered octagonal number
class CenteredOctagonal
{
public function centeredOctagonalNo($k)
{
// Print all initial k centered octagonal number
for ($n = 1; $n <= $k; ++$n)
{
// Formula
// (4n² - 4n + 1)
// Calculate nth octagonal number
$result = ((4 * ($n * $n) - 4 * $n + 1));
// Display calculated result
echo(" ".$result);
}
}
}
function main()
{
$task = new CenteredOctagonal();
// Centered octagonal numbers are
// —————————————————————————————————————————————
// 1, 9, 25, 49, 81, 121, 169, 225, 289, 361
// 441, 529, 625, 729, 841, 961 ... etc
// Test k = 10
$task->centeredOctagonalNo(10);
}
main();Output
1 9 25 49 81 121 169 225 289 361// Node JS program for
// Centered octagonal number
class CenteredOctagonal
{
centeredOctagonalNo(k)
{
// Print all initial k centered octagonal number
for (var n = 1; n <= k; ++n)
{
// Formula
// (4n² - 4n + 1)
// Calculate nth octagonal number
var result = ((4 * (n * n) - 4 * n + 1));
// Display calculated result
process.stdout.write(" " + result);
}
}
}
function main()
{
var task = new CenteredOctagonal();
// Centered octagonal numbers are
// —————————————————————————————————————————————
// 1, 9, 25, 49, 81, 121, 169, 225, 289, 361
// 441, 529, 625, 729, 841, 961 ... etc
// Test k = 10
task.centeredOctagonalNo(10);
}
main();Output
1 9 25 49 81 121 169 225 289 361# Python 3 program for
# Centered octagonal number
class CenteredOctagonal :
def centeredOctagonalNo(self, k) :
n = 1
# Print all initial k centered octagonal number
while (n <= k) :
# Formula
# (4n² - 4n + 1)
# Calculate nth octagonal number
result = ((4 * (n * n) - 4 * n + 1))
# Display calculated result
print(" ", result, end = "")
n += 1
def main() :
task = CenteredOctagonal()
# Centered octagonal numbers are
# —————————————————————————————————————————————
# 1, 9, 25, 49, 81, 121, 169, 225, 289, 361
# 441, 529, 625, 729, 841, 961 ... etc
# Test k = 10
task.centeredOctagonalNo(10)
if __name__ == "__main__": main()Output
1 9 25 49 81 121 169 225 289 361# Ruby program for
# Centered octagonal number
class CenteredOctagonal
def centeredOctagonalNo(k)
n = 1
# Print all initial k centered octagonal number
while (n <= k)
# Formula
# (4n² - 4n + 1)
# Calculate nth octagonal number
result = ((4 * (n * n) - 4 * n + 1))
# Display calculated result
print(" ", result)
n += 1
end
end
end
def main()
task = CenteredOctagonal.new()
# Centered octagonal numbers are
# —————————————————————————————————————————————
# 1, 9, 25, 49, 81, 121, 169, 225, 289, 361
# 441, 529, 625, 729, 841, 961 ... etc
# Test k = 10
task.centeredOctagonalNo(10)
end
main()Output
1 9 25 49 81 121 169 225 289 361// Scala program for
// Centered octagonal number
class CenteredOctagonal()
{
def centeredOctagonalNo(k: Int): Unit = {
var n: Int = 1;
// Print all initial k centered octagonal number
while (n <= k)
{
// Formula
// (4n² - 4n + 1)
// Calculate nth octagonal number
var result: Int = ((4 * (n * n) - 4 * n + 1));
// Display calculated result
print(" " + result);
n += 1;
}
}
}
object Main
{
def main(args: Array[String]): Unit = {
var task: CenteredOctagonal = new CenteredOctagonal();
// Centered octagonal numbers are
// —————————————————————————————————————————————
// 1, 9, 25, 49, 81, 121, 169, 225, 289, 361
// 441, 529, 625, 729, 841, 961 ... etc
// Test k = 10
task.centeredOctagonalNo(10);
}
}Output
1 9 25 49 81 121 169 225 289 361// Swift 4 program for
// Centered octagonal number
class CenteredOctagonal
{
func centeredOctagonalNo(_ k: Int)
{
var n: Int = 1;
// Print all initial k centered octagonal number
while (n <= k)
{
// Formula
// (4n² - 4n + 1)
// Calculate nth octagonal number
let result: Int = ((4 * (n * n) - 4 * n + 1));
// Display calculated result
print(" ", result, terminator: "");
n += 1;
}
}
}
func main()
{
let task: CenteredOctagonal = CenteredOctagonal();
// Centered octagonal numbers are
// —————————————————————————————————————————————
// 1, 9, 25, 49, 81, 121, 169, 225, 289, 361
// 441, 529, 625, 729, 841, 961 ... etc
// Test k = 10
task.centeredOctagonalNo(10);
}
main();Output
1 9 25 49 81 121 169 225 289 361// Kotlin program for
// Centered octagonal number
class CenteredOctagonal
{
fun centeredOctagonalNo(k: Int): Unit
{
var n: Int = 1;
// Print all initial k centered octagonal number
while (n <= k)
{
// Formula
// (4n² - 4n + 1)
// Calculate nth octagonal number
val result: Int = ((4 * (n * n) - 4 * n + 1));
// Display calculated result
print(" " + result);
n += 1;
}
}
}
fun main(args: Array < String > ): Unit
{
val task: CenteredOctagonal = CenteredOctagonal();
// Centered octagonal numbers are
// —————————————————————————————————————————————
// 1, 9, 25, 49, 81, 121, 169, 225, 289, 361
// 441, 529, 625, 729, 841, 961 ... etc
// Test k = 10
task.centeredOctagonalNo(10);
}Output
1 9 25 49 81 121 169 225 289 361
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