login
A019705
Decimal expansion of sqrt(Pi)/3.
1
5, 9, 0, 8, 1, 7, 9, 5, 0, 3, 0, 1, 8, 3, 8, 6, 7, 5, 7, 6, 6, 0, 5, 5, 8, 2, 7, 7, 8, 0, 3, 8, 1, 7, 2, 7, 5, 9, 9, 1, 8, 3, 1, 5, 2, 0, 4, 0, 7, 9, 5, 7, 0, 9, 4, 0, 4, 6, 0, 2, 5, 9, 6, 6, 1, 7, 6, 3, 7, 0, 9, 4, 8, 6, 3, 6, 7, 7, 3, 9, 3, 7, 9, 1, 6, 5, 0, 2, 1, 8, 9, 1, 2, 8, 4, 8, 2, 2, 1
OFFSET
0,1
FORMULA
Equals sqrt(A019676). - Michel Marcus, Aug 31 2014
Equals 10 * Sum_{k>=0} (k+1/2)!/(k+4)!. - Amiram Eldar, Jun 19 2023
MATHEMATICA
RealDigits[Sqrt[Pi]/3, 10, 120][[1]] (* Harvey P. Dale, Jun 07 2018 *)
PROG
(PARI) sqrt(Pi)/3 \\ Charles R Greathouse IV, Oct 01 2022
CROSSREFS
Sequence in context: A261623 A298515 A306778 * A269957 A201676 A199797
KEYWORD
nonn,cons
STATUS
approved