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 A352188 #5 Mar 12 2022 16:15:34 %S A352188 1,2,5,3,10,4,14,8,6,9,22,7,27,13,11,17,33,12,40,18,15,21,52,16,19,26, %T A352188 24,30,61,20,67,31,23,32,36,25,76,39,28,43,88,29,93,48,35,51,101,42, %U A352188 37,55,34,56,111,47,44,38,41,60,127,54,131,66,46,70,64,50,136,71,53,80,144,59,149,75,63,74,45,69,162,84,78,87 %N A352188 When n appears in A352187, or -1 if n never appears. %H A352188 N. J. A. Sloane, <a href="/A352188/b352188.txt">Table of n, a(n) for n = 1..4950</a> %Y A352188 Cf. A352187, A352189, A352190. %K A352188 nonn %O A352188 1,2 %A A352188 _N. J. A. Sloane_, Mar 12 2022