%I #31 Mar 15 2024 08:09:33

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

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

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

%N Decimal expansion of (1/2)*log(Pi).

%C This sequence is also the decimal expansion of the logarithm of the Gamma-function at 1/2. - _Iaroslav V. Blagouchine_, Mar 20 2015

%H G. C. Greubel, <a href="/A155968/b155968.txt">Table of n, a(n) for n = 0..5000</a>

%F Equals A053510/2 = log(A002161) = A131659/4.

%e 0.572364942924700087071713675676529355823...

%p evalf(log(Pi)/2);

%t RealDigits[Log[Pi]/2,10,120][[1]] (* _Harvey P. Dale_, May 31 2015 *)

%o (PARI) log(gamma(1/2)) \\ or \\ log(Pi)/2 \\ _G. C. Greubel_, Jan 16 2017

%K cons,easy,nonn

%O 0,1

%A _R. J. Mathar_, Jan 31 2009