OFFSET
1,2
LINKS
G. C. Greubel, Table of n, a(n) for n = 1..10000
FORMULA
Equals sqrt(2)*Gamma(sqrt(2)).
EXAMPLE
1.2538154806428916866963709311438747998699343383870...
MAPLE
evalf(GAMMA(1+sqrt(2))) ; # R. J. Mathar, May 03 2013
MATHEMATICA
RealDigits[N[Sqrt[2]!, 200]][[1]]
PROG
(PARI) sqrt(2)*gamma(sqrt(2)) \\ G. C. Greubel, Apr 20 2018
(Magma) Sqrt(2)*Gamma(Sqrt(2)); // G. C. Greubel, Apr 20 2018
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Vladimir Joseph Stephan Orlovsky, Feb 25 2011
STATUS
approved