A068426 Expansion of log(2) in base 2.

1, 0, 1, 1, 0, 0, 0, 1, 0, 1, 1, 1, 0, 0, 1, 0, 0, 0, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 0, 0, 0, 1, 1, 1, 0, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 0, 0, 1, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 0, 0, 1, 0, 0, 1, 1, 1, 1, 0, 0, 0, 1, 1, 1, 0, 1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1

Offset

0,1

Links

G. C. Greubel, Table of n, a(n) for n = 0..10000

Example

0.10110001... = 1/2 + 1/8 + 1/16 + 1/256 + ...

Mathematica

RealDigits[Log[2], 2, 100][[1]] (* G. C. Greubel, Mar 23 2018 *)

Prog

(PARI) binary(log(2))[2] \\ Michel Marcus, Dec 14 2017

Crossrefs

Cf. A002162.

Sequence in context: A246260 A275973 A218173 * A267006 A280816 A265246

Adjacent sequences: A068423 A068424 A068425 * A068427 A068428 A068429

Keyword

base,cons,easy,nonn

Author

Benoit Cloitre, Mar 09 2002

Extensions

Offset corrected by R. J. Mathar, Feb 05 2009

Status

approved