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 A100808 #18 Mar 10 2017 08:56:03 %S A100808 1,3,1,1,1,2,1,3,1,1,3,1,1,1,2,1,1,3,1,1,2,1,1,2,1,3,1,1,1,2,1,1,2,1, %T A100808 3,1,1,3,1,1,1,2,1,3,1,1,2,1,1,2,1,1,3,1,1,3,1,1,1,2,1,3,1,1,3,1,1,1, %U A100808 2,1,1,2,1,3,1,1,2,1,1,3,1,1,3,1,1,1,2,1,3,1,1,3,1,1,1,2,1,1,3,1,1,2,1,1,2 %N A100808 Quet transform (see A101387 for definition) of Kolakoski sequence A000002. %C A100808 Can be obtained from A000002 by replacing each 2,2 with 3,1. %H A100808 Lars Blomberg, <a href="/A100808/b100808.txt">Table of n, a(n) for n = 1..10000</a> %H A100808 David Wasserman, <a href="/A100661/a100661.txt">Quet transform + PARI code</a> [Cached copy] %Y A100808 Cf. A000002, A100661, A101387. %K A100808 easy,nonn %O A100808 1,2 %A A100808 _David Wasserman_, Jan 12 2005