A016672 Decimal expansion of log(49).
3, 8, 9, 1, 8, 2, 0, 2, 9, 8, 1, 1, 0, 6, 2, 6, 6, 1, 0, 2, 1, 0, 7, 0, 5, 4, 8, 6, 8, 8, 6, 3, 5, 9, 4, 5, 9, 2, 7, 4, 1, 6, 9, 4, 5, 9, 1, 6, 3, 7, 2, 2, 3, 7, 6, 9, 1, 8, 7, 8, 0, 2, 9, 9, 8, 7, 5, 1, 5, 9, 7, 2, 5, 5, 0, 4, 1, 3, 8, 5, 3, 5, 5, 7, 5, 3, 1, 6, 9, 9, 7, 1, 7, 5, 7, 4, 3, 0, 5
Offset: 1
Examples
3.891820298110626610210705486886359459274169459163722376918780299875159....
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
- 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].
- Index entries for transcendental numbers
Programs
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Mathematica
RealDigits[Log[49], 10, 120][[1]] (* Vincenzo Librandi, Jun 21 2015 *)
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PARI
default(realprecision, 20080); x=log(49); for (n=1, 20000, d=floor(x); x=(x-d)*10; write("b016672.txt", n, " ", d)); \\ Harry J. Smith, May 21 2009
Formula
Equals 2*A016630. - Alois P. Heinz, Aug 07 2023