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 A068287 #9 May 03 2012 16:54:27 %S A068287 1,252,1679832,296251234272,1382247232944627672, %T A068287 170624931716603851850980512,557224793178655263880694805929352312, %U A068287 48144818121088035723665058177874441292104576992,110052483236400191824645806778218519319800722550874233268152 %N A068287 1/8 the number of colorings of an n X n staggered hexagonal array with 8 colors. %C A068287 Terms for rhombic- and staggered- hexagonal arrays are the same for n in 1..4. %Y A068287 Cf. A068239-A068305, A000332, A002417, A027441, A212194, A212195. %K A068287 nonn %O A068287 1,2 %A A068287 _R. H. Hardin_, Feb 24 2002 %E A068287 a(6)-a(9) from _Alois P. Heinz_, May 03 2012