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A016704
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Decimal expansion of ln(81).
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2
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4, 3, 9, 4, 4, 4, 9, 1, 5, 4, 6, 7, 2, 4, 3, 8, 7, 6, 5, 5, 8, 0, 9, 8, 0, 9, 4, 7, 6, 9, 0, 1, 0, 2, 8, 1, 8, 5, 8, 9, 9, 6, 2, 2, 3, 1, 2, 9, 0, 9, 9, 7, 8, 0, 6, 9, 3, 8, 7, 7, 7, 3, 3, 4, 5, 4, 9, 9, 7, 7, 1, 7, 2, 8, 7, 4, 4, 3, 5, 8, 6, 7, 4, 9, 4, 4, 6, 3, 0, 1, 9, 2, 5, 4, 9, 2, 8, 3, 5
(list; constant; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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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.
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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].
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FORMULA
| 2 times A016632.
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EXAMPLE
| 4.394449154672438765580980947690102818589962231290997806938777334549977... [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), May 24 2009]
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PROG
| (PARI) { default(realprecision, 20080); x=log(81); for (n=1, 20000, d=floor(x); x=(x-d)*10; write("b016704.txt", n, " ", d)); } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), May 24 2009]
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CROSSREFS
| Cf. A016509 Continued fraction. [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), May 24 2009]
Sequence in context: A155536 A095303 A074123 * A131896 A114380 A103825
Adjacent sequences: A016701 A016702 A016703 * A016705 A016706 A016707
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KEYWORD
| nonn,cons
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com).
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