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 A191592 #13 Oct 20 2019 04:30:05 %S A191592 4,11305,13981,23001,30889,39865,68101,88561,91001,93961,107185, %T A191592 137149,152551,157641,176149,204001,228241,251251,276013,401401, %U A191592 464185,493697,493885,534061,563473,574561,622909,631351,683761,786961,915981,950797,1106785,1141141 %N A191592 Numbers in A191311 but not in A129521. %H A191592 David W. Wilson, <a href="/A191592/b191592.txt">Table of n, a(n) for n = 1..697</a> %Y A191592 Cf. A191311, A129521. %K A191592 nonn %O A191592 1,1 %A A191592 _Jason Holt_, Jun 04 2011 %E A191592 More terms from _David W. Wilson_, Aug 16 2011