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 A068299 #8 May 04 2012 15:17:52 %S A068299 1,504,9853704,7488942792408,221253369424029100872, %T A068299 254101505958294674877998194968, %U A068299 11344162587174574603922830864958174183688,19687269229964173171963421211996119947570831281276072 %N A068299 1/10 the number of colorings of an n X n octagonal array with 10 colors. %Y A068299 Cf. A068239-A068305, A000332, A002417, A027441, A212208, A212209. %K A068299 nonn %O A068299 1,2 %A A068299 _R. H. Hardin_, Feb 24 2002 %E A068299 a(5)-a(8) from _Alois P. Heinz_, May 04 2012