A186631 - OEIS

%I #35 Sep 08 2022 08:45:55

%S 1,2,5,3,8,1,5,4,8,0,6,4,2,8,9,1,6,8,6,6,9,6,3,7,0,9,3,1,1,4,3,8,7,4,

%T 7,9,9,8,6,9,9,3,4,3,3,8,3,8,6,9,5,2,1,1,4,7,1,2,7,7,9,6,8,4,1,8,0,5,

%U 0,6,9,5,8,5,0,7,7,8,5,0,5,4,7,6,5,8,5,5,1,7,2,5,8,9,7,3,7,0,9,5,7,0

%N Decimal expansion of Gamma(1+sqrt(2)).

%H G. C. Greubel, <a href="/A186631/b186631.txt">Table of n, a(n) for n = 1..10000</a>

%F Equals sqrt(2)*Gamma(sqrt(2)).

%e 1.2538154806428916866963709311438747998699343383870...

%p evalf(GAMMA(1+sqrt(2))) ; # _R. J. Mathar_, May 03 2013

%t RealDigits[N[Sqrt[2]!,200]][[1]]

%o (PARI) sqrt(2)*gamma(sqrt(2)) \\ _G. C. Greubel_, Apr 20 2018

%o (Magma) Sqrt(2)*Gamma(Sqrt(2)); // _G. C. Greubel_, Apr 20 2018

%Y Cf. A002193.

%K nonn,cons

%O 1,2

%A _Vladimir Joseph Stephan Orlovsky_, Feb 25 2011