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 A095273 #5 Mar 31 2012 14:02:23 %S A095273 4,10,16,26,31,34,40,44,52,55,56,70,76,82,86,91,94,110,115,116,121, %T A095273 122,124,130,136,142,146,154,157,160,170,172,181,184,196,202,205,206, %U A095273 214,220,226,236,241,254,262,271,280,290,292,296,314,320,322 %N A095273 a(n) = (A095103(n)-3)/4. %H A095273 A. Karttunen and J. Moyer, <a href="/A095062/a095062.c.txt">C-program for computing the initial terms of this sequence</a> %Y A095273 Complement of A095272 in A095278, subset of A095275. %K A095273 nonn %O A095273 1,1 %A A095273 _Antti Karttunen_, Jun 01 2004