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 A151926 #2 Mar 30 2012 16:51:07
%S A151926 3,6,9,11,14,18,19,21,22,27,30,33,35,38,42,43,45,46,49,51,54,57,59,62,
%T A151926 66,67,69,70,75,77,78,81,83,86,90,91,93,94,98,99,102,105,107,110,114,
%U A151926 115,117,118,121,123,126,129,131,133,134,138,139,141,142,147,150,153,154,155,158
%N A151926 Numbers n such that A151925(n) = 3.
%F A151926 N \ {A008784, numbers == 0,4,7 mod 8}.
%K A151926 nonn
%O A151926 1,1
%A A151926 _N. J. A. Sloane_, Aug 07 2009