A031155 - OEIS

A031155

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

1024, 1048576, 1073741824, 1099511627776, 70368744177664, 295147905179352825856, 9903520314283042199192993792, 39614081257132168796771975168, 680564733841876926926749214863536422912, 95780971304118053647396689196894323976171195136475136, 862718293348820473429344482784628181556388621521298319395315527974912

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OFFSET

1,1

COMMENTS

Powers of 2 such that there is an increasing number of nonzero digits after the rightmost digit '0'.

LINKS

Table of n, a(n) for n=1..11.

CROSSREFS

Cf. A031140, A031156.

Sequence in context: A223879 A223804 A223582 * A140300 A223355 A222142

Adjacent sequences: A031152 A031153 A031154 * A031156 A031157 A031158

KEYWORD

nonn,base

AUTHOR

N. J. A. Sloane

EXTENSIONS

Typo in title corrected by Sean A. Irvine, Apr 11 2020

STATUS

approved