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%I #19 Sep 08 2022 08:44:44
%S 1,4,6,1,1,4,1,1,8,2,6,6,1,1,3,8,9,3,2,2,7,0,8,1,1,5,3,8,0,5,3,8,4,1,
%T 1,5,7,6,9,8,9,5,3,7,7,6,3,2,3,2,8,3,4,2,9,5,0,8,8,7,0,0,0,5,7,3,5,9,
%U 7,8,0,8,6,1,8,1,4,7,8,4,4,2,2,2,1,9,7,8,2,8,3,8,8,3,5,2,9,4,6
%N Decimal expansion of sqrt(Pi*e)/2.
%H Ivan Panchenko, <a href="/A019646/b019646.txt">Table of n, a(n) for n = 1..1000</a>
%e 1.4611411826611389322708115380538411576989537763232834295...
%t RealDigits[Sqrt[Pi*E]/2, 10, 20][[1]] (* _G. C. Greubel_, Jan 10 2017 *)
%o (PARI) sqrt(Pi*exp(1))/2 \\ _G. C. Greubel_, Jan 10 2017
%o (Magma) C<i> := ComplexField(); [Sqrt(Pi(C)*Exp(1))/2]; // _G. C. Greubel_, Nov 17 2017
%Y Cf. A019645.
%K nonn,cons
%O 1,2
%A _N. J. A. Sloane_