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 A068275 #9 May 02 2012 12:07:13 %S A068275 1,252,1679832,296251234272,1382247094854612672, %T A068275 170624894466027144691360512,557224605182442995086270684790287872, %U A068275 48144796146667109603913695806315581931924703232,110052419905312514544259421134157522506638480153437190868992 %N A068275 1/8 the number of colorings of an n X n rhombic hexagonal array with 8 colors. %C A068275 Terms for rhombic- and staggered- hexagonal arrays are the same for n in 1..4. %Y A068275 Cf. A068239-A068305, A000332, A002417, A027441, A212162, A212163. %K A068275 nonn %O A068275 1,2 %A A068275 _R. H. Hardin_, Feb 24 2002 %E A068275 a(6)-a(9) from _Alois P. Heinz_, May 02 2012