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A031155 a(n) = 2^A031140(n). 1

%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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Last modified April 23 12:44 EDT 2024. Contains 371913 sequences. (Running on oeis4.)