A016641 - OEIS

A016641

Decimal expansion of log(18).

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

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

OFFSET

1,1

REFERENCES

M. Abramowitz and I. A. Stegun, eds., Handbook of Mathematical Functions, National Bureau of Standards Applied Math. Series 55, 1964 (and various reprintings), p. 2.

LINKS

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

M. Abramowitz and I. A. Stegun, eds., Handbook of Mathematical Functions, National Bureau of Standards, Applied Math. Series 55, Tenth Printing, 1972 [alternative scanned copy].

Index entries for transcendental numbers

FORMULA

Equals A002162 + 2*A002391. - R. J. Mathar, Jun 10 2024

EXAMPLE

2.890371757896164692207722595303227977370481250005754157590068676768382....

MATHEMATICA

RealDigits[Log[18], 10, 120][[1]] (* Vincenzo Librandi, Jun 21 2015 *)

PROG

(PARI) default(realprecision, 20080); x=log(18); for (n=1, 20000, d=floor(x); x=(x-d)*10; write("b016641.txt", n, " ", d)); \\ Harry J. Smith, May 17 2009

CROSSREFS

Cf. A016446 (continued fraction).

Sequence in context: A009677 A318605 A021350 * A155748 A152748 A158933

Adjacent sequences: A016638 A016639 A016640 * A016642 A016643 A016644

KEYWORD

nonn,cons

AUTHOR

N. J. A. Sloane

STATUS

approved