Also: http://oeis.org/A152147 “Irregular triangle in which row n lists k > 0 such that the sum of digits of k^n equals k.”.
Re:A happy numeric coincidence
by pavel_lishin on Wednesday January 02, 2019 @12:36PM
(#18808054)
That was a pretty great post, if only for this line:
> Extra credit: explain why nobody cares.
http://recursed.blogspot.com/2007/09/mathematics-in-jack-rea... Base 10: https://oeis.org/A023106 Base 2: https://oeis.org/A256590