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 A184293 #12 Sep 28 2017 04:15:16 %S A184293 176,43800,14913536,5726645688,2345624810432,1000799924766720, %T A184293 439208192231379680,196765270122433282488,89550060712194793450496, %U A184293 41264667976180515380660448,19206827276185293962591862944,9014404268289631799947348789248 %N A184293 Number of distinct n X 3 toroidal 0..7 arrays. %H A184293 Andrew Howroyd, <a href="/A184293/b184293.txt">Table of n, a(n) for n = 1..100</a> %Y A184293 Column 3 of A184294. %K A184293 nonn %O A184293 1,1 %A A184293 _R. H. Hardin_, Jan 10 2011 %E A184293 Terms a(6) and beyond from _Andrew Howroyd_, Sep 27 2017