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 A068277 #8 May 02 2012 12:08:36 %S A068277 1,576,16777728,24714188421120,1841036262836198694912, %T A068277 6935553325507306088696846155776, %U A068277 1321303757030716925589852391986906706673664,12729959052897370321435414735439044407648771577838567424 %N A068277 1/10 the number of colorings of an n X n rhombic hexagonal array with 10 colors. %C A068277 Terms for rhombic- and staggered- hexagonal arrays are the same for n in 1..4. %Y A068277 Cf. A068239-A068305, A000332, A002417, A027441, A212162, A212163. %K A068277 nonn %O A068277 1,2 %A A068277 _R. H. Hardin_, Feb 24 2002 %E A068277 a(6)-a(8) from _Alois P. Heinz_, May 02 2012