|
|
A016642
|
|
Decimal expansion of log(19).
|
|
4
|
|
|
2, 9, 4, 4, 4, 3, 8, 9, 7, 9, 1, 6, 6, 4, 4, 0, 4, 6, 0, 0, 0, 9, 0, 2, 7, 4, 3, 1, 8, 8, 7, 8, 5, 3, 5, 3, 7, 2, 3, 7, 3, 7, 9, 2, 6, 1, 2, 9, 9, 1, 2, 8, 8, 1, 8, 5, 3, 7, 9, 6, 0, 2, 3, 6, 4, 0, 9, 2, 9, 2, 7, 0, 2, 0, 6, 4, 1, 9, 7, 2, 8, 8, 7, 1, 4, 1, 5, 8, 3, 8, 3, 8, 1, 5, 7, 3, 9, 8, 9
(list;
constant;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
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
|
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].
|
|
FORMULA
|
Equals 2*log(2)+log(5)-Sum_{k>=1} 1/(k*20^k). - R. J. Mathar, Jun 10 2024
|
|
EXAMPLE
|
2.944438979166440460009027431887853537237379261299128818537960236409292... - Harry J. Smith, May 17 2009
|
|
MATHEMATICA
|
First[RealDigits[Log[19], 10, 100]] (* Paolo Xausa, Mar 21 2024 *)
|
|
PROG
|
(PARI) default(realprecision, 20080); x=log(19); for (n=1, 20000, d=floor(x); x=(x-d)*10; write("b016642.txt", n, " ", d)); \\ Harry J. Smith, May 17 2009
|
|
CROSSREFS
|
|
|
KEYWORD
|
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|