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 A184280 #12 Sep 27 2017 19:31:31 %S A184280 11,130,2211,44368,956635,21524790,498112275,11767920118,282429542331, %T A184280 6863038218842,168456380815459,4169295435797688,103911670590311931, %U A184280 2605214027190054462,65651393478909968211,1661800897440729720268,42229293393638392639051 %N A184280 Number of distinct n X 3 toroidal 0..2 arrays. %H A184280 Andrew Howroyd, <a href="/A184280/b184280.txt">Table of n, a(n) for n = 1..100</a> %Y A184280 Column 3 of A184284. %K A184280 nonn %O A184280 1,1 %A A184280 _R. H. Hardin_, Jan 10 2011 %E A184280 Terms a(12) and beyond from _Andrew Howroyd_, Sep 27 2017