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 A165605 #3 Mar 31 2012 13:21:19 %S A165605 1,3,3,3,4,3,5,6,5,6,5,9,7,3,2,6,9,9,7,6,6,12,11,9,8,9,10,9,1,12,9,9, %T A165605 14,6,10,6,15,18,7,0,7,9,14,15,14,9,16,15,8,12,13,15,13,9,12,12,18,15, %U A165605 14,12,13,15,15,12,0,15,16,21,9,18,0,21,22,9,16,9,19,0,16,12,11,24,17 %N A165605 Trisection 3n+1 of A165601. %C A165605 Positions of zeros probably given by A165461. See the conjectures in A165460 and A165462. %H A165605 A. Karttunen, <a href="/A165605/b165605.txt">Table of n, a(n) for n = 0..89844</a> %Y A165605 a(n) = A165601(A016777(n)). %K A165605 nonn %O A165605 0,2 %A A165605 _Antti Karttunen_, Oct 06 2009