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 A191259 #5 Mar 30 2012 18:57:31 %S A191259 2,6,10,14,17,19,23,27,31,33,37,41,45,49,52,54,58,62,66,70,74,78,82, %T A191259 86,89,91,95,99,103,105,109,113,117,121,124,126,130,134,138,142,146, %U A191259 149,151,155,159,163,166,168,172,176,180,182,186,190,194,198,201,203,207,211,215,219,223,227,231,235,238,240,244,248,252,254,258 %N A191259 Positions of 1 in A191258. %C A191259 See A191258 and A191250. %t A191259 (See A191258.) %Y A191259 Cf. A191258. %K A191259 nonn,easy %O A191259 1,1 %A A191259 _Clark Kimberling_, May 28 2011