A016668 - OEIS

A016668

Decimal expansion of log(45).

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

(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 2*A002391 + A016628. - R. J. Mathar, Jun 07 2024

EXAMPLE

3.806662489770319757391249807071239048820582469914016625382036558749167....

MATHEMATICA

RealDigits[Log[45], 10, 120][[1]] (* Vincenzo Librandi, Jun 21 2015 *)

PROG

(PARI) default(realprecision, 20080); x=log(45); for (n=1, 20000, d=floor(x); x=(x-d)*10; write("b016668.txt", n, " ", d)); \\ Harry J. Smith, May 21 2009

CROSSREFS

Cf. A016473 (continued fraction).

Sequence in context: A257530 A196609 A070063 * A195197 A154462 A112255

Adjacent sequences: A016665 A016666 A016667 * A016669 A016670 A016671

KEYWORD

nonn,cons

AUTHOR

N. J. A. Sloane

STATUS

approved