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A002392 Decimal expansion of natural logarithm of 10.
(Formerly M0394 N0151)
26
2, 3, 0, 2, 5, 8, 5, 0, 9, 2, 9, 9, 4, 0, 4, 5, 6, 8, 4, 0, 1, 7, 9, 9, 1, 4, 5, 4, 6, 8, 4, 3, 6, 4, 2, 0, 7, 6, 0, 1, 1, 0, 1, 4, 8, 8, 6, 2, 8, 7, 7, 2, 9, 7, 6, 0, 3, 3, 3, 2, 7, 9, 0, 0, 9, 6, 7, 5, 7, 2, 6, 0, 9, 6, 7, 7, 3, 5, 2, 4, 8, 0, 2, 3, 5, 9, 9 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

1,1

REFERENCES

W. E. Mansell, Tables of Natural and Common Logarithms. Royal Society Mathematical Tables, Vol. 8, Cambridge Univ. Press, 1964, p. 2.

N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

LINKS

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

Bakir Farhi, A curious result related to Kempner's series, arXiv:0807.3518 [math.NT], Jul 22 2008.

A. J. Kempner, A curious convergent series, Amer. Math. Monthly 23(1914)48-50.

Simon Plouffe, log(10) the natural logarithm of 10 to 2000 digits

Simon Plouffe, Plouffe's Inverter, The natural logarithm of 10 to 2000 digits

Horace S. Uhler, Recalculation and extension of the modulus and of the logarithms of 2, 3, 5, 7 and 17, Proc. Nat. Acad. Sci. U. S. A. 26, (1940). 205-212.

Eric Weisstein's World of Mathematics, Natural Logarithm of 10

EXAMPLE

2.302585092994045684017991454684364207601101488628772976033327900967572...

MATHEMATICA

RealDigits[Log[10], 10, 120][[1]] (* Harvey P. Dale, Nov 23 2013 *)

PROG

(PARI) { default(realprecision, 20080); x=log(10); for (n=1, 20000, d=floor(x); x=(x-d)*10; write("b002392.txt", n, " ", d)); } \\ Harry J. Smith, Apr 16 2009

CROSSREFS

Cf. A016738 (continued fraction).

Sequence in context: A257844 A194745 A248342 * A002708 A167925 A209927

Adjacent sequences:  A002389 A002390 A002391 * A002393 A002394 A002395

KEYWORD

cons,nonn

AUTHOR

N. J. A. Sloane

STATUS

approved

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Last modified September 20 12:42 EDT 2018. Contains 315239 sequences. (Running on oeis4.)