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 A067505 #11 Sep 24 2018 16:53:13 %S A067505 1,8,512,68719476736, %T A067505 76957043352332967211482500195592995713046365762627825523336510555167425334955489475418488779072100860950445293568 %N A067505 Powers of 8 with digit sum also a power of 8. %C A067505 Next two terms are 8^1014 and 8^64578. %Y A067505 Cf. A067499, A067500, A067501, A067502, A067503, A067504, A067505, A067506, A067507, A067508, A067509, A067510, A067511. %K A067505 base,easy,nonn %O A067505 1,2 %A A067505 _Amarnath Murthy_, Feb 11 2002 %E A067505 Extended and corrected by _Sascha Kurz_, Mar 18 2002 %E A067505 Edited by _N. J. A. Sloane_ at the suggestion of _Andrew S. Plewe_, May 27 2007