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 A364732 #6 Sep 06 2023 08:09:37 %S A364732 0,2,4,5,9,11,12,16,15,18,23,22,25,30,34,-1,37,36,38,43,45,53,50,-1, %T A364732 56,59,63,64,68,69,75,73,78,80,88,85,87,92,94,96,101,107,102,103,113, %U A364732 -1,119,112,118,117,128,124,137,-1,136,139,146,144,151,153,147,160 %N A364732 a(n) is the index of the last occurrence of n in A364443, or -1 if n doesn't occur. %C A364732 Compared to A364443, this sequence is what A364341 is to A077773. %H A364732 Hugo Pfoertner, <a href="/A364732/b364732.txt">Table of n, a(n) for n = 0..10000</a> %Y A364732 Cf. A077773, A364341, A364729, A364730, A364731. %K A364732 sign %O A364732 0,2 %A A364732 _Hugo Pfoertner_, Aug 06 2023