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 A158134 #3 Mar 30 2012 18:52:03 %S A158134 3,4,3,9,3,4,3,9,3,4,3,9,3,4,3,10,3,4,3,9,3,4,3,9,3,4,3,9,3,4,3,10,3, %T A158134 4,3,9,3,4,3,9,3,4,3,9,3,4,3,10,3,4,3,9,3,4,3,9,3,4,3,9,3,4,3,12,3,4, %U A158134 3,9,3,4,3,9,3,4,3,9,3,4,3,10,3,4,3,9,3,4,3,9,3,4,3,9,3,4,3,10,3,4,3 %N A158134 Fourth quadrisection of A157261. %C A158134 Is this the same as A157261 with all one's deleted? %F A158134 a(n)=A157261(4n). %K A158134 nonn,less %O A158134 1,1 %A A158134 _Paul Curtz_, Mar 13 2009 %E A158134 Edited and extended by _R. J. Mathar_, Mar 15 2009