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A016668
Decimal expansion of log(45).
2
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
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
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].
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
KEYWORD
nonn,cons
STATUS
approved