A016641 -id:A016641

Search: a016641 -id:a016641

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A153870

Decimal expansion of log_18 (8).

+10
22

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

(list; constant; graph; refs; listen; history; text; internal format)

OFFSET

0,1

LINKS

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

Index entries for transcendental numbers

FORMULA

Equals A016631 / A016641 . - R. J. Mathar, Jun 10 2024

EXAMPLE

.71943739970439433420705249473156918530453379005721169793593...

MATHEMATICA

RealDigits[Log[18, 8], 10, 100][[1]] (* Vincenzo Librandi, Sep 04 2013 *)

CROSSREFS

Cf. decimal expansion of log_18(m): A152812 (m=2), A153021 (m=3), A153113 (m=4), A153444 (m=5), A153608 (m=6), A153628 (m=7), this sequence, A154017 (m=9), A154168 (m=10), A154189 (m=11), A154210 (m=12), A154400 (m=13), A154490 (m=14), A154688 (m=15), A154830 (m=16), A154898 (m=17), A155094 (m=19), A155530 (m=20), A155685 (m=21), A155784 (m=22), A155889 (m=23), A155995 (m=24).

KEYWORD

nonn,cons

AUTHOR

N. J. A. Sloane, Oct 30 2009

STATUS

approved

A016446

Continued fraction for log(18).

+10
2

2, 1, 8, 8, 4, 1, 1, 1, 36, 14, 1, 1, 1, 65, 1, 1, 4, 27, 7, 1, 1, 2, 3, 8, 7, 4, 1, 7, 1, 4, 13, 1, 3, 1, 2, 3, 6, 1, 4, 2, 2, 1, 1, 2, 8, 2, 6, 2, 1, 5, 3, 1, 1, 1, 1, 116, 1, 48, 28, 1, 7, 1, 1, 23, 1, 15, 1, 10, 1, 9, 2, 1, 1, 4, 1, 5

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

Harry J. Smith, Table of n, a(n) for n = 1..20000

EXAMPLE

2.890371757896164692207722595... = 2 + 1/(1 + 1/(8 + 1/(8 + 1/(4 + ...)))). - Harry J. Smith, May 17 2009

MATHEMATICA

ContinuedFraction[Log[18], 120] (* Harvey P. Dale, May 04 2017 *)

PROG

(PARI) { allocatemem(932245000); default(realprecision, 21000); x=contfrac(log(18)); for (n=1, 20000, write("b016446.txt", n, " ", x[n])); } \\ Harry J. Smith, May 17 2009

CROSSREFS

Cf. A016641 Decimal expansion. - Harry J. Smith, May 17 2009

KEYWORD

nonn,cofr

AUTHOR

N. J. A. Sloane

STATUS

approved

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