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%I #5 Aug 20 2024 11:26:29
%S 0,1,1,2,1,1,2,3,1,1,2,1,1,1,3,4,1,1,1,1,1,2,1,1,1,3,1,1,2,1,4,5,1,1,
%T 1,1,2,1,1,1,1,3,1,1,1,2,1,1,1,1,1,1,1,1,1,2,4,1,1,1,1,1,5,6,1,1,2,1,
%U 1,1,1,1,1,1,1,1,1,1,2,1,1,1,1,1,1,1,1
%N a(n) is the unique integer k such that A008949(A375570(n),k) = n.
%F A008949(A375570(n),a(n)) = n.
%F a(2^n) = n.
%F a(2^n-1) = n-1.
%Y Cf. A008949, A357327, A375570.
%K nonn
%O 1,4
%A _Pontus von Brömssen_, Aug 19 2024