This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A162224 #3 Mar 30 2012 17:28:42 %S A162224 1,4,18,118,419,308,9113,257,66562,1874374,1,1,1,338749352,2415951874, %T A162224 3264337734,21690135624,69236561678,276040954847,1,4408512107192, %U A162224 17665416905448,70525678835838,422589088112942,1972301894061609 %N A162224 Greatest integer equal to the sum of the n-th powers of its base-5 digits (written in base 10). %H A162224 Joseph Myers, <a href="/A162224/b162224.txt">Table of n, a(n) for n=0..807</a> %Y A162224 Cf. A162222, A162223, A033837. In other bases: A162218 (base 3), A162221 (base 4), A162227 (base 6), A162230 (base 7), A162233 (base 8), A162236 (base 9), A046761 (base 10). %K A162224 base,nonn %O A162224 0,2 %A A162224 _Joseph Myers_, Jun 28 2009