OFFSET
0,2
LINKS
Ivan Panchenko, Table of n, a(n) for n = 0..1000
FORMULA
Equals Sum_{k>=1} (k+1/2)!/(k+3)!. - Amiram Eldar, Jun 19 2023
MATHEMATICA
RealDigits[Sqrt[Pi]/12, 10, 120][[1]] (* Harvey P. Dale, Jul 04 2019 *)
PROG
(PARI) sqrt(Pi)/12 \\ Charles R Greathouse IV, Oct 01 2022
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
STATUS
approved