A016638 - OEIS

A016638

Decimal expansion of log(15).

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

(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 A002391 + A016628. - R. J. Mathar, Jun 10 2024

EXAMPLE

2.708050201102210065996004570148713344173091912091267173647342225111673....

MATHEMATICA

RealDigits[Log[15], 10, 120][[1]] (* Vincenzo Librandi, Jun 21 2015 *)

PROG

(PARI) default(realprecision, 20080); x=log(15); for (n=1, 20000, d=floor(x); x=(x-d)*10; write("b016638.txt", n, " ", d)); \\ Harry J. Smith, May 16 2009

CROSSREFS

Cf. A016443 (continued fraction).

Sequence in context: A199273 A196833 A245224 * A199398 A296453 A081544

Adjacent sequences: A016635 A016636 A016637 * A016639 A016640 A016641

KEYWORD

nonn,cons

AUTHOR

N. J. A. Sloane

EXTENSIONS

Final digits of sequence corrected using the b-file. - N. J. A. Sloane, Aug 30 2009

STATUS

approved