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 A068278 #8 May 02 2012 12:09:34 %S A068278 1,810,43047450,150104969072730,34342194186546625610730, %T A068278 515520974797472540384088260118570, %U A068278 507750044609844563320250272016778947097815370,32812470510724769634930013386228840033573943730279978702970 %N A068278 1/11 the number of colorings of an n X n rhombic hexagonal array with 11 colors. %C A068278 Terms for rhombic- and staggered- hexagonal arrays are the same for n in 1..4. %Y A068278 Cf. A068239-A068305, A000332, A002417, A027441, A212162, A212163. %K A068278 nonn %O A068278 1,2 %A A068278 _R. H. Hardin_, Feb 24 2002 %E A068278 a(5)-a(8) from _Alois P. Heinz_, May 02 2012