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 A187410 #5 Mar 30 2012 18:57:19 %S A187410 4,7,9,14,17,21,26,28,31,34,38,41,45,48,51,55,58,61,64,68,72,75,80,82, %T A187410 87,90,92,97,100,104,107,109,114,117,121,124,128,131,134,138,141,145, %U A187410 148,153,155,160,163,165,170,172,175,180,182,187,190,192,195,200,204,207,209,212,217,219,224,228,231,234,237,241,244,248,251 %N A187410 Complement of A187319. %C A187410 See A187224. %t A187410 (See A187319.) %Y A187410 Cf. A187224, A187319. %K A187410 nonn %O A187410 1,1 %A A187410 _Clark Kimberling_, Mar 09 2011