A154947 Decimal expansion of log_9 (18).

1, 3, 1, 5, 4, 6, 4, 8, 7, 6, 7, 8, 5, 7, 2, 8, 7, 1, 8, 5, 4, 9, 7, 6, 3, 5, 5, 7, 1, 7, 1, 3, 8, 0, 4, 2, 7, 1, 4, 9, 7, 9, 2, 8, 2, 0, 0, 6, 5, 9, 4, 0, 2, 1, 3, 9, 3, 5, 3, 2, 7, 4, 7, 1, 9, 1, 9, 3, 4, 2, 6, 0, 0, 6, 9, 0, 4, 5, 7, 4, 0, 2, 5, 3, 0, 5, 8, 6, 3, 4, 4, 2, 7, 4, 7, 2, 5, 8, 7

Offset

1,2

Links

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

Index entries for transcendental numbers

Formula

Equals 1+A152747. - R. J. Mathar, Jan 07 2021

Example

1.3154648767857287185497635571713804271497928200659402139353...

Mathematica

RealDigits[Log[9, 18], 10, 100][[1]] (* Vincenzo Librandi, Sep 01 2013 *)

Prog

(PARI) default(realprecision, 100); log(18)/log(9) \\ G. C. Greubel, Sep 01 2018
(Magma) SetDefaultRealField(RealField(100)); Log(18)/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), this sequence, A155061 (m=19), A155503 (m=20), A155676 (m=21), A155743 (m=22), A155829 (m=23), A155976 (m=24).

Sequence in context: A325766 A021321 A129676 * A152747 A010847 A331698

Adjacent sequences: A154944 A154945 A154946 * A154948 A154949 A154950

Keyword

nonn,cons

Author

N. J. A. Sloane, Oct 30 2009

Status

approved