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A010096 log*(n): number of times int(log2(x)) is used in int(log2(int(log2(.....(int(log2(n))).....)))) = 0. 1
1, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

EXAMPLE

Becomes 5 at 65536, 6 at 2^65536, etc.

CROSSREFS

Cf. A063510.

Sequence in context: A115230 A165024 A157639 * A063510 A156878 A140474

Adjacent sequences:  A010093 A010094 A010095 * A010097 A010098 A010099

KEYWORD

nonn,nice

AUTHOR

Leonid Broukhis (leob(AT)mailcom.com)

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Last modified February 13 19:49 EST 2012. Contains 205536 sequences.