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A119995 Fixed point of the morphism a -> {a, a + 1, Ceiling(Log(a + 1)}, beginning with 0. 0
0, 1, 0, 1, 2, 1, 0, 1, 0, 1, 2, 1, 2, 3, 2, 1, 2, 1, 0, 1, 0, 1, 2, 1, 0, 1, 0, 1, 2, 1, 2, 3, 2, 1, 2, 1, 2, 3, 2, 3, 4, 2, 2, 3, 2, 1, 2, 1, 2, 3, 2, 1, 2, 1, 0, 1, 0, 1, 2, 1, 0, 1, 0, 1, 2, 1, 2, 3, 2, 1, 2, 1, 0, 1, 0, 1, 2, 1, 0, 1, 0, 1, 2, 1, 2, 3, 2, 1, 2, 1, 2, 3, 2, 3, 4, 2, 2, 3, 2, 1, 2, 1, 2, 3, 2 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,5

COMMENTS

First occurrance of k: 1, 2, 5, 14, 41, 122, 365, 1094, 3281, 9842, 29525, 88574, 265721, 797162, 2391485, ...,.

LINKS

Table of n, a(n) for n=0..104.

MATHEMATICA

Nest[Flatten[ #1 /. a_Integer -> {a, a + 1, Ceiling[Log[10, a + 1]]}] &, {0}, 5]

CROSSREFS

Sequence in context: A098381 A030372 A065363 * A062756 A174695 A165577

Adjacent sequences:  A119992 A119993 A119994 * A119996 A119997 A119998

KEYWORD

nonn

AUTHOR

Robert G. Wilson v, Aug 02 2006

STATUS

approved

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Last modified December 20 21:34 EST 2014. Contains 252289 sequences.