%I #12 Apr 12 2020 03:47:36
%S 1024,1048576,1073741824,1099511627776,70368744177664,
%T 295147905179352825856,9903520314283042199192993792,
%U 39614081257132168796771975168,680564733841876926926749214863536422912,95780971304118053647396689196894323976171195136475136,862718293348820473429344482784628181556388621521298319395315527974912
%N a(n) = 2^A031140(n).
%C Powers of 2 such that there is an increasing number of nonzero digits after the rightmost digit '0'.
%Y Cf. A031140, A031156.
%K nonn,base
%O 1,1
%A _N. J. A. Sloane_
%E Typo in title corrected by _Sean A. Irvine_, Apr 11 2020
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