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 A190498 #8 Jul 01 2017 08:25:52 %S A190498 3,5,8,10,13,15,20,22,25,27,32,34,37,39,44,49,51,54,56,61,63,66,68,73, %T A190498 75,78,80,83,85,90,92,95,97,102,104,107,109,114,119,121,124,126,131, %U A190498 133,136,138,143,145,148,150,153,155,160,162,165,167,172,174,177,179,182,184,189,191,194,196,201,203,206,208,213,218,220,223 %N A190498 Positions of 1 in A190496. %C A190498 See A190496. %H A190498 G. C. Greubel, <a href="/A190498/b190498.txt">Table of n, a(n) for n = 1..1000</a> %t A190498 (See A190496.) %Y A190498 Cf. A190496. %K A190498 nonn %O A190498 1,1 %A A190498 _Clark Kimberling_, May 11 2011