OFFSET
1,1
COMMENTS
Obviously, x! means Gamma(x+1) = Integral(t^x e^-t, t=0..oo). - M. F. Hasler, Jun 14 2024
LINKS
Jianing Song, Table of n, a(n) for n = 1..2000
EXAMPLE
2.4058699863095669246999292183755580095953957993289...
MATHEMATICA
RealDigits[x /. FindRoot[x! - 3, {x, 2}, WorkingPrecision -> 120]][[1]] (* Amiram Eldar, May 31 2023 *)
PROG
(PARI) default(realprecision, 100); solve(x=2, 3, gamma(x+1)-3)
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Jianing Song, Sep 16 2018
STATUS
approved