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A152683 Decimal expansion of log_6 (2). 22
3, 8, 6, 8, 5, 2, 8, 0, 7, 2, 3, 4, 5, 4, 1, 5, 8, 6, 8, 7, 0, 2, 4, 6, 1, 3, 8, 4, 6, 7, 8, 2, 0, 8, 7, 6, 4, 6, 5, 1, 4, 1, 8, 5, 9, 4, 5, 7, 1, 0, 3, 4, 2, 8, 3, 8, 9, 4, 9, 4, 9, 2, 8, 8, 2, 6, 6, 4, 2, 0, 1, 8, 5, 4, 0, 7, 2, 2, 8, 0, 3, 8, 3, 1, 6, 5, 2 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

0,1

COMMENTS

The upper bound for the ratio of the number of 3x+1 steps to all steps in the Collatz iteration. [T. D. Noe, Apr 30 2010]

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..1000

Emmanuel Jeandel, Michael Rao, An aperiodic set of 11 Wang tiles, arXiv:1506.06492 [cs.DM], 2015. See p. 10.

FORMULA

Equals log(2)/log(6) (A002162/A016629), that is, log(2)/(log(2)+log(3)). - Michel Marcus, Aug 18 2018

EXAMPLE

.38685280723454158687024613846782087646514185945710342838949...

MATHEMATICA

RealDigits[Log[6, 2], 10, 120][[1]] (* Harvey P. Dale, Sep 12 2012 *)

PROG

(PARI) default(realprecision, 100); log(2)/log(6) \\ G. C. Greubel, Sep 13 2018

(MAGMA) SetDefaultRealField(RealField(100)); Log(2)/Log(6); // G. C. Greubel, Sep 13 2018

CROSSREFS

Cf. A152935. [T. D. Noe, Apr 30 2010]

Cf. decimal expansion of log_6(m): this sequence, A152935 (m=3), A153102 (m=4), A153202 (m=5), A153617 (m=7), A153754 (m=8), A154009 (m=9), A154157 (m=10), A154178 (m=11), A154199 (m=12), A154278 (m=13), A154466 (m=14), A154567 (m=15), A154776 (m=16), A154856 (m=17), A154911 (m=18), A155044 (m=19), A155490 (m=20), A155554 (m=21), A155697 (m=22), A155823 (m=23), A155959 (m=24).

Sequence in context: A212007 A187061 A020809 * A154199 A083700 A242672

Adjacent sequences:  A152680 A152681 A152682 * A152684 A152685 A152686

KEYWORD

nonn,cons

AUTHOR

N. J. A. Sloane, Oct 30 2009

STATUS

approved

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Last modified July 17 18:47 EDT 2019. Contains 325109 sequences. (Running on oeis4.)