Pentagonal Numbers

This nBAB collection was created after a nBAB for the number 145 was created.

0, 1, 5, 12, 22, 35, 51, 70, 92, 117, 145, 176, 210, 247, 287, 330, , 425, 477, 532, 590, 651, 715, 782, 852, 925, 1001, 1080, 1162, 1247, 1335, 1426, 1520, 1617, 1717, 1820, 1926, 2035, 2147, ...., ...., 3290, ...., 5735, ...., 8400, ....

MathBabbler wrote a C++ program to test if a number is a pentagonal number.


Creator: Gerald Thurman [gthurman@gmail.com]
Created: 11 March 2010
+ added 176 on 30 November 2011
+ added 8400 on 06 December 2011
+ added 5735 on 07 May 2014
+ added 1001 on 31 May 2014
+ added 210 on 02 May 2015
+ added 247 on 30 March 2016
+ added 287 on 14 April 2016
+ added 330 on 04 May 2016
+ added 376 on 02 January 2017
+ added 425 on 07 May 2017
+ added 477 on 25 May 2018
+ added 3290 on 04 July 2019

Creative Commons License
This work is licensed under a Creative Commons Attribution 3.0 United States License.