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A016630
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Decimal expansion of ln(7).
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3
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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)
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OFFSET
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1,2
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REFERENCES
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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.
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LINKS
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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].
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EXAMPLE
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1.945910149055313305105352743443179729637084729581861188459390149937579... [From Harry J. Smith, May 16 2009]
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PROG
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(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]
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CROSSREFS
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Cf. A016735 Continued fraction. [From Harry J. Smith, May 16 2009]
Sequence in context: A030070 A154900 A172197 * A213614 A099281 A086240
Adjacent sequences: A016627 A016628 A016629 * A016631 A016632 A016633
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KEYWORD
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nonn,cons
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AUTHOR
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N. J. A. Sloane.
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EXTENSIONS
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Fixed my PARI program, had -n Harry J. Smith, May 19 2009
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STATUS
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approved
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