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 A068265 #8 Apr 27 2012 17:35:27 %S A068265 1,2562,1121513134,83883341208384732,1071996076636962150571633386, %T A068265 2340759471154169773945494478241264553960, %U A068265 873306114650864371018759651512626175923988398193371716,55670142239312854542084127479622099015674204276236803402441613218850844 %N A068265 1/15 the number of colorings of an n X n square array with 15 colors. %Y A068265 Cf. A068239-A068305, A000332, A002417, A027441, A182368, A182406. %K A068265 nonn %O A068265 1,2 %A A068265 _R. H. Hardin_, Feb 24 2002 %E A068265 a(5)-a(8) from _Alois P. Heinz_, Apr 27 2012