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 A095272 #5 Mar 31 2012 14:02:23 %S A095272 0,1,2,5,7,11,14,17,19,20,25,32,37,41,47,49,59,62,65,67,77,89,95,104, %T A095272 107,109,119,125,140,149,151,161,164,179,185,187,209,215,221,227,229, %U A095272 242,245,247,257,259,265,272,275,287,305,307,319,329,349 %N A095272 a(n) = (A095102(n)-3)/4. %H A095272 A. Karttunen and J. Moyer, <a href="/A095062/a095062.c.txt">C-program for computing the initial terms of this sequence</a> %Y A095272 Complement of A095273 in A095278, subset of A095274. %K A095272 nonn %O A095272 1,3 %A A095272 _Antti Karttunen_, Jun 01 2004