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%I #4 Jul 12 2022 19:53:22
%S 0,-1,2,3,6,9,15,27,36,51,87,135,243,315,531,735,969,1707,2679,3831,
%T 6363,9663,14559,23091,33045,45999,77523,120471,177639,252717,405321,
%U 554037,795831,1335087,1819527,2491233,4183467,5920215,8051991,12530967,20132061
%N Position at which 2^n occurs in A057926, or -1 if it does not occur.
%Y Cf. A057926, A057927.
%K easy,sign
%O 0,3
%A Larry Reeves (larryr(AT)acm.org), Oct 03 2000
%E More terms from _Sean A. Irvine_, Jul 12 2022
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