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 A073204 #6 Oct 15 2015 10:55:23 %S A073204 1,1,1,2,1,1,2,1,1,1,2,2,2,1,1,2,2,2,2,1,1,2,2,2,6,2,1,1,2,2,2,12,2,2, %T A073204 1,1,2,2,2,120,2,6,2,1,1,2,2,2,120,2,12,4,1,1,1,2,2,2,840,2,120,8,1,2, %U A073204 1,1,2,2,2,840,2,120,16,1,4,1,1,1,2,2,2,5040,2,840,32,1,8,2,2,1,1 %N A073204 Array of LCMs-of-cycle-lengths sequences for the table A073200. %C A073204 Each row of this table gives the least common multiple of all cycle lengths produced by the Catalan bijection (given in the corresponding row of A073200) when it acts on A000108(n) structures encoded in the range [A014137(n-1)..A014138(n-1)] of the sequence A014486/A063171. %H A073204 A. Karttunen, <a href="http://www.iki.fi/~kartturi/matikka/Nekomorphisms/gatomorf.htm">Gatomorphisms</a> (With the complete source and explanation) %Y A073204 Cf. also A073201-A073203. %Y A073204 Few EIS-sequences occur in this table. The first known occurrences are: rows 6 and 8: A011782, Row 7: A000012, Row 2614: A060114, Row 2618 (?), ..., 17517: A057544. %K A073204 nonn,tabl %O A073204 0,4 %A A073204 _Antti Karttunen_, Jun 25 2002