Shows you the definition, the picture, and the formula for an octagonal number. Calculates the nth octagonal number in an octagonal numbers sequence based on your choosing.
Octagonal Number Calculator Link:
https://www.mathcelebrity.com/octagonal-number-calculator.php
Timestamps:
00:00 Intro
00:46 Definition of an Octagonal Number
00:54 Octagonal Number Image
01:15 Octagonal Number Formula
01:28 Octagonal Number Formula with n = 6
01:37 Octagonal Number List
01:58 Another example of an octagonal number
02:41 Outro
