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 A068301 #8 May 04 2012 16:02:57 %S A068301 1,990,65675610,292254818279490,87238205544516133249890, %T A068301 1746783780641161331912282302353810, %U A068301 2346167125778415534349931707837063900925570370,211381076411597878243848286563025939634200193105055412862370 %N A068301 1/12 the number of colorings of an n X n octagonal array with 12 colors. %Y A068301 Cf. A068239-A068305, A000332, A002417, A027441, A212208, A212209. %K A068301 nonn %O A068301 1,2 %A A068301 _R. H. Hardin_, Feb 24 2002 %E A068301 a(5)-a(8) from _Alois P. Heinz_, May 04 2012