Find Nth term of the series 3, 14, 39, 84…

Given a number N. The task is to write a program to find the Nth term in the below series:

3, 14, 39, 84…

**Examples:**

Input:3Output:39 For N = 3 Nth term = ( 3*3*3 ) + ( 3*3 ) + 3 = 39Input:4Output:84

Formula to calculate the Nth term of the series:

Nth term = ( N*N*N ) + ( N*N ) + N

Below is the required implementation:

## C++

`// CPP program to find N-th term of the series:` `// 3, 14, 38, 84...` `#include <iostream>` `using` `namespace` `std;` `// calculate Nth term of series` `int` `nthTerm(` `int` `N)` `{` ` ` `return` `(N * N * N) + (N * N) + N;` `}` `// Driver Function` `int` `main()` `{` ` ` `int` `N = 3;` ` ` `cout << nthTerm(N);` ` ` `return` `0;` `}` |

## Java

`// Java program to find Nth number` `import` `java.io.*;` `// calculate Nth term of this series` `class` `GFG` `{` `public` `int` `nthTerm(` `int` `N)` `{` ` ` `// By using above formula` ` ` `return` `(N * N * N) + (N * N) + N;` `}` `// Driver Code` `public` `static` `void` `main(String[] args)` `{` ` ` `int` `N = ` `3` `;` ` ` `GFG a = ` `new` `GFG();` ` ` `// call and print Nth term` ` ` `System.out.println(a.nthTerm(N));` `}` `}` |

## Python 3

`# Python 3 program to find N-th` `# term of the series:` `# 3, 14, 38, 84...` `# Function to calculate Nth term of series ` `def` `nthTerm(n) :` ` ` `return` `(N ` `*` `N ` `*` `N) ` `+` `(N ` `*` `N) ` `+` `N` `# Driver code` `if` `__name__ ` `=` `=` `"__main__"` `:` ` ` `N ` `=` `3` ` ` `# function calling` ` ` `print` `(nthTerm(N))` `# This code is contributed by ANKITRAI1` |

## C#

`// C# program to find Nth number` `using` `System;` `// calculate Nth term of this series` `class` `GFG` `{` `public` `int` `nthTerm(` `int` `N)` `{` ` ` `// By using above formula` ` ` `return` `(N * N * N) + (N * N) + N;` `}` `// Driver Code` `public` `static` `void` `Main()` `{` ` ` `int` `N = 3;` ` ` `GFG a = ` `new` `GFG();` ` ` `// call and print Nth term` ` ` `Console.WriteLine(a.nthTerm(N));` `}` `}` `// This code is contributed` `// by inder_verma.` |

## PHP

`<?php` `// PHP program to find N-th term ` `// of the series: 3, 14, 38, 84...` `// calculate Nth term of series` `function` `nthTerm(` `$N` `)` `{` ` ` `return` `(` `$N` `* ` `$N` `* ` `$N` `) +` ` ` `(` `$N` `* ` `$N` `) + ` `$N` `;` `}` `// Driver Code` `$N` `= 3;` `echo` `nthTerm(` `$N` `);` `// This code is contributed` `// by Shivi_Aggarwal` `?>` |

## Javascript

`<script>` `// JavaScriptprogram to find N-th term of the series:` `// 3, 14, 38, 84...` `// calculate Nth term of series` `function` `nthTerm( N)` `{` ` ` `return` `(N * N * N) + (N * N) + N;` `}` `// Driver Function` ` ` `let N = 3;` ` ` `document.write(nthTerm(N));` ` ` `// This code contributed by Rajput-Ji` `</script>` |

**Output:**

39

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