|
| |
|
|
A019708
|
|
Decimal expansion of sqrt(Pi)/6.
|
|
1
|
|
|
|
2, 9, 5, 4, 0, 8, 9, 7, 5, 1, 5, 0, 9, 1, 9, 3, 3, 7, 8, 8, 3, 0, 2, 7, 9, 1, 3, 8, 9, 0, 1, 9, 0, 8, 6, 3, 7, 9, 9, 5, 9, 1, 5, 7, 6, 0, 2, 0, 3, 9, 7, 8, 5, 4, 7, 0, 2, 3, 0, 1, 2, 9, 8, 3, 0, 8, 8, 1, 8, 5, 4, 7, 4, 3, 1, 8, 3, 8, 6, 9, 6, 8, 9, 5, 8, 2, 5, 1, 0, 9, 4, 5, 6, 4, 2, 4, 1, 1, 0
(list;
constant;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
0,1
|
|
|
LINKS
|
|
|
|
FORMULA
|
Equals Integral_{x>=0} exp(-x^2)*erfc(x)^2 dx, where erfc is the complementary error function. - _Jean-François Alcover_, Jul 23 2013
Equals Sum_{k>=0} (k+1/2)!/(k+3)!. - _Amiram Eldar_, Jun 19 2023
|
|
|
EXAMPLE
|
0.29540897515091933788302791389019086379959157602039785470230129830881854743...
|
|
|
MATHEMATICA
|
RealDigits[Sqrt[Pi]/6, 10, 120][[1]] (* _Harvey P. Dale_, Mar 27 2020 *)
|
|
|
PROG
|
(PARI) sqrt(Pi)/6 \\ _Charles R Greathouse IV_, Oct 01 2022
|
|
|
CROSSREFS
|
|
|
|
KEYWORD
|
|
|
|
AUTHOR
|
_N. J. A. Sloane_
|
|
|
STATUS
|
approved
|
| |
|
|
