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 A189707 #13 Jun 03 2021 16:50:12 %S A189707 1,4,5,7,8,10,13,16,17,19,22,25,26,28,31,32,34,35,37,40,41,43,44,46, %T A189707 49,52,53,55,58,59,61,62,64,67,68,70,71,73,76,79,80,82,85,86,88,89,91, %U A189707 94,97,98,100,103,106,107,109,112,113,115,116,118,121,124,125,127,130,133,134,136,139,140,142,143,145,148,149,151,152,154,157,160,161,163,166,167,169 %N A189707 Positions of 0 in A189706; complement of A189708. %C A189707 See A189706. %t A189707 (See A189706.) %Y A189707 Cf. A189706, A189708, A189709. %K A189707 nonn %O A189707 1,2 %A A189707 _Clark Kimberling_, Apr 25 2011