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a(n) is the index of the last occurrence of n in A364443, or -1 if n doesn't occur.
5

%I #6 Sep 06 2023 08:09:37

%S 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 56,59,63,64,68,69,75,73,78,80,88,85,87,92,94,96,101,107,102,103,113,

%U -1,119,112,118,117,128,124,137,-1,136,139,146,144,151,153,147,160

%N a(n) is the index of the last occurrence of n in A364443, or -1 if n doesn't occur.

%C Compared to A364443, this sequence is what A364341 is to A077773.

%H Hugo Pfoertner, <a href="/A364732/b364732.txt">Table of n, a(n) for n = 0..10000</a>

%Y Cf. A077773, A364341, A364729, A364730, A364731.

%K sign

%O 0,2

%A _Hugo Pfoertner_, Aug 06 2023