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 A165606 #2 Mar 31 2012 13:21:19 %S A165606 3,3,6,5,9,7,9,8,9,10,15,10,12,11,15,13,12,14,15,15,21,13,0,14,24,19, %T A165606 12,18,15,19,24,17,24,16,27,21,15,20,21,25,27,21,18,18,6,26,27,6,21, %U A165606 25,30,22,30,23,33,30,15,24,18,31,36,21,36,22,30,32,30,30,21,33,30,21 %N A165606 Trisection 3n+2 of A165601. %Y A165606 a(n) = A165601(A016789(n)). %K A165606 nonn %O A165606 0,1 %A A165606 _Antti Karttunen_, Oct 06 2009