login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A016636 Decimal expansion of log(13). 6
2, 5, 6, 4, 9, 4, 9, 3, 5, 7, 4, 6, 1, 5, 3, 6, 7, 3, 6, 0, 5, 3, 4, 8, 7, 4, 4, 1, 5, 6, 5, 3, 1, 8, 6, 0, 4, 8, 0, 5, 2, 6, 7, 9, 4, 4, 7, 6, 0, 2, 0, 7, 1, 1, 6, 4, 1, 9, 0, 4, 5, 5, 1, 0, 6, 6, 3, 4, 6, 4, 6, 6, 7, 3, 2, 4, 4, 1, 0, 1, 7, 9, 3, 9, 9, 5, 7, 4, 6, 6, 3, 4, 4, 0, 4, 8, 9, 4, 8 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET
1,1
REFERENCES
Milton Abramowitz and Irene A. Stegun, eds., Handbook of Mathematical Functions, National Bureau of Standards Applied Math. Series 55, 1964 (and various reprintings), p. 2.
LINKS
Milton Abramowitz and Irene A. Stegun, eds., Handbook of Mathematical Functions, National Bureau of Standards, Applied Math. Series 55, Tenth Printing, 1972 [alternative scanned copy].
FORMULA
Equals 2*log(2)+log(3) -sum_{k>=1} (-1)^k /(k*12^k). - R. J. Mathar, Jun 10 2024
EXAMPLE
2.56494935746153673605348744156531860480526794476020711641904551...
MATHEMATICA
RealDigits[Log[13], 10, 100][[1]] (* Alonso del Arte, Jun 12 2015 *)
PROG
(PARI) default(realprecision, 20080); x=log(13); for (n=1, 20000, d=floor(x); x=(x-d)*10; write("b016636.txt", n, " ", d)); \\ Harry J. Smith, May 16 2009, corrected May 19 2009
CROSSREFS
Cf. A016441 Continued fraction.
Sequence in context: A368050 A343933 A262152 * A103989 A239049 A161017
KEYWORD
nonn,cons,easy,changed
AUTHOR
STATUS
approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified June 22 23:29 EDT 2024. Contains 373629 sequences. (Running on oeis4.)