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 A190842 #7 Mar 30 2012 18:57:29 %S A190842 1,2,3,5,6,8,9,10,14,15,17,18,22,23,26,27,29,30,33,34,38,41,44,45,50, %T A190842 51,53,54,57,58,65,66,68,70,77,80,81,86,87,89,90,98,99,101,102,105, %U A190842 106,113,114,118,122,129,130,131,134,135,149,150,152,153,158,159,161,162,170,171,173,174,177,178,194,195,197,198 %N A190842 Integers in (1+A190803)/3. %C A190842 See Comments at A190803, which is a proper subsequence of A190842. %t A190842 (See A190803.) %Y A190842 Cf. A190803, A190841. %K A190842 nonn %O A190842 1,2 %A A190842 _Clark Kimberling_, May 21 2011