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A016630 Decimal expansion of log(7). 3
1, 9, 4, 5, 9, 1, 0, 1, 4, 9, 0, 5, 5, 3, 1, 3, 3, 0, 5, 1, 0, 5, 3, 5, 2, 7, 4, 3, 4, 4, 3, 1, 7, 9, 7, 2, 9, 6, 3, 7, 0, 8, 4, 7, 2, 9, 5, 8, 1, 8, 6, 1, 1, 8, 8, 4, 5, 9, 3, 9, 0, 1, 4, 9, 9, 3, 7, 5, 7, 9, 8, 6, 2, 7, 5, 2, 0, 6, 9, 2, 6, 7, 7, 8, 7, 6, 5, 8, 4, 9, 8, 5, 8, 7, 8, 7, 1, 5, 2 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

1,2

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.

Uhler, Horace S.; 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.

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].

EXAMPLE

1.945910149055313305105352743443179729637084729581861188459390149937579... [From Harry J. Smith, May 16 2009]

PROG

(PARI) { default(realprecision, 20080); x=log(7); for (n=1, 20000, d=floor(x); x=(x-d)*10; write("b016630.txt", n, " ", d)); } [From Harry J. Smith, May 16 2009]

CROSSREFS

Cf. A016735 Continued fraction. [From Harry J. Smith, May 16 2009]

Sequence in context: A154900 A246546 A172197 * A213614 A099281 A086240

Adjacent sequences:  A016627 A016628 A016629 * A016631 A016632 A016633

KEYWORD

nonn,cons

AUTHOR

N. J. A. Sloane

EXTENSIONS

Fixed my PARI program, had -n Harry J. Smith, May 19 2009

STATUS

approved

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Last modified December 18 23:18 EST 2014. Contains 252175 sequences.