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 A068297 #8 May 04 2012 14:44:51 %S A068297 1,210,813750,58494843750,77998664766618750,1929292299321647690193750, %T A068297 885215793907124317300191394818750, %U A068297 7534251364260636630211044759506294857668750 %N A068297 1/8 the number of colorings of an n X n octagonal array with 8 colors. %Y A068297 Cf. A068239-A068305, A000332, A002417, A027441, A212208, A212209. %K A068297 nonn %O A068297 1,2 %A A068297 _R. H. Hardin_, Feb 24 2002 %E A068297 a(6)-a(8) from _Alois P. Heinz_, May 04 2012