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 A171930 #3 Mar 30 2012 17:28:13 %S A171930 1,2,4,7,10,15,17,23,25,31,39,41,50,56,97,118,120,181,195,203,205,208, %T A171930 283,295,335,408,475,497,502,560,588,616,623,723,725,866,875,877,895, %U A171930 924,1058,1221,1435,1453,1476,1490,1537,1628,1731,1982,2028 %N A171930 Records in A171922 (positions). %H A171930 Hugo van der Sanden, <a href="/A171930/b171930.txt">Table of n, a(n) for n = 1..87</a> %Y A171930 Cf. A171921, A171922, A171926, A171927. %K A171930 nonn %O A171930 1,2 %A A171930 _Hugo van der Sanden_, Oct 23 2010, Oct 24 2010