maths.special_numbers.hexagonal_number

== Hexagonal Number == The nth hexagonal number hn is the number of distinct dots in a pattern of dots consisting of the outlines of regular hexagons with sides up to n dots, when the hexagons are overlaid so that they share one vertex.

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

Functions

hexagonal(→ int)

Module Contents

maths.special_numbers.hexagonal_number.hexagonal(number: int) → int

Parameters:

number – nth hexagonal number to calculate

Returns:

the nth hexagonal number

Note: A hexagonal number is only defined for positive integers >>> hexagonal(4) 28 >>> hexagonal(11) 231 >>> hexagonal(22) 946 >>> hexagonal(0) Traceback (most recent call last):

…

ValueError: Input must be a positive integer >>> hexagonal(-1) Traceback (most recent call last):

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ValueError: Input must be a positive integer >>> hexagonal(11.0) Traceback (most recent call last):

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TypeError: Input value of [number=11.0] must be an integer