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 A145079 #15 Feb 11 2018 16:36:11 %S A145079 1,1,1,1,1,4,1,4,4,4,1,4,4,1,4,1,1,1,4,4,1,4,4,1,2,1,1,1,4,4,1,1,2,1, %T A145079 1,1,4,1,1,4,4,1,1,1,4,4,4,4,1,4,1 %N A145079 Length of cycle of trajectory of n described in A098282, or -1 if no cycle is ever reached. %C A145079 a(52) is currently unknown. - _Donovan Johnson_ %C A145079 a(40) is probably incorrect and should be 1. (See corrections to A098282 and A144914.) %Y A145079 Cf. A098282, A087712, A145077, A145078, A077960. %K A145079 nonn,more,base %O A145079 1,6 %A A145079 _David Applegate_ and _N. J. A. Sloane_, Feb 09 2009 %E A145079 a(19)-a(39) from _John W. Layman_, Mar 12 2010 %E A145079 a(40)-a(51) from _Donovan Johnson_, Jan 08 2011