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 A137846 #2 Mar 30 2012 18:51:57 %S A137846 1,2,1,2,3,4,5,6,7,8,1,2,3,4,5,6,7,8,1,2,2,2,2,1,2,2,2,2,1,2,3,4,5,6, %T A137846 7,8,1,2,2,2,1,1,1,1,1,0,1,2,3,4,5,6,7,8,1,2,2,2,2,2,2,2,2,2,2,2,2,2, %U A137846 2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,1 %N A137846 Successive structures last number of elements periodic table (Seaborg extended to 32 columns,118 terms or Janet,120). First 87 terms. %C A137846 Numbers from 0(palladium) to 8.Compare to A080915:first 42 common terms. %K A137846 nonn,uned %O A137846 0,2 %A A137846 _Paul Curtz_, Apr 29 2008