# How to generate first N Pentagonal numbers in Java?

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__Problem Description__ :

Write a program in Java that generates first N pentagonal numbers.

First N Pentagonal numbers |

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Concept :

Concept

We can generate Nth pentagonal number using below formula.

**N(3N-1)/2**

__For example__- first 6 pentagonal numbers are 1, 5, 12, 22, 35, 51.

Pentagonal Numbers |

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__Java Program__ :

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__Output__ :

Output - How to generate first n pentagonal numbers in Java? |

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__References__ :

https://en.wikipedia.org/wiki/Pentagonal_number

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**Tags : Pentagonal numbers in Java, Solution in Java, Mathematics problems, for loop, if else statement.**

How to generate first N Pentagonal numbers in Java?
Reviewed by Unknown
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1/31/2017
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