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A155676 Decimal expansion of log_9 (21). 19
1, 3, 8, 5, 6, 2, 1, 8, 7, 4, 5, 8, 0, 7, 1, 1, 1, 3, 0, 0, 3, 3, 9, 6, 4, 1, 5, 3, 5, 4, 1, 2, 2, 8, 8, 5, 9, 0, 3, 3, 2, 3, 5, 6, 6, 7, 2, 9, 7, 1, 2, 1, 7, 3, 9, 6, 8, 4, 4, 9, 6, 2, 8, 8, 6, 3, 9, 9, 4, 3, 0, 9, 9, 3, 5, 1, 4, 0, 6, 1, 0, 5, 4, 1, 7, 1, 5, 0, 4, 9, 4, 6, 6, 8, 7, 5, 4, 4, 8 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

EXAMPLE

1.3856218745807111300339641535412288590332356672971217396844...

MATHEMATICA

RealDigits[Log[9, 21], 10, 120][[1]] (* Harvey P. Dale, May 04 2012 *)

PROG

(PARI) default(realprecision, 100); log(21)/log(9) \\ G. C. Greubel, Sep 01 2018

(MAGMA) SetDefaultRealField(RealField(100)); Log(21)/Log(9); // G. C. Greubel, Sep 01 2018

CROSSREFS

Cf. decimal expansion of log_9(m): A152747 (m=2), A153205 (m=5), A153495 (m=6), A153619 (m=7), A153756 (m=8), A154160 (m=10), A154181 (m=11), A154202 (m=12), A154339 (m=13), A154469 (m=14), A154578 (m=15), A154859 (m=17), A154947 (m=18), A155061 (m=19), A155503 (m=20), thus sequence, A155743 (m=22), A155829 (m=23), A155976 (m=24).

Sequence in context: A140385 A078361 A193014 * A200243 A236229 A258985

Adjacent sequences:  A155673 A155674 A155675 * A155677 A155678 A155679

KEYWORD

nonn,cons

AUTHOR

N. J. A. Sloane, Oct 30 2009

STATUS

approved

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Last modified April 21 22:12 EDT 2019. Contains 322328 sequences. (Running on oeis4.)