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%I #4 Apr 14 2023 07:34:34
%S 1,5,9,16,731,513152096
%N Index of 2^k in A350877, where k = A362107(n).
%e Terms 730-742 in A350877 are 505, 2^11, 2^10,..., 8, 4, 2, 1, corresponding to A362107(5) = 11 and a(5) = 731.
%Y f. A350877, A350615, A362107.
%K nonn,more
%O 1,2
%A _N. J. A. Sloane_, Apr 13 2023