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 A068242 #10 Apr 27 2012 16:59:44 %S A068242 1,50798448,190026633752982,16460573816989545700, %T A068242 111739638856566209416695,143179601228065200130305876, %U A068242 57851338756390824653502708508,10086461440383360741777407234232,929834945885124428238498952273725,52047326332129638504907000521132040 %N A068242 1/2 the number of colorings of a 6 X 6 square array with n colors. %H A068242 Alois P. Heinz, <a href="/A068242/b068242.txt">Table of n, a(n) for n = 2..1000</a> %H A068242 Alois P. Heinz, <a href="/A068242/a068242.txt">G.f. for A068242</a> %Y A068242 Cf. A068239-A068305, A000332, A002417, A027441, A182368, A182406. %K A068242 nonn %O A068242 2,2 %A A068242 _R. H. Hardin_, Feb 24 2002 %E A068242 More terms from _Alois P. Heinz_, Apr 27 2012