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Decimal expansion of sqrt(Pi)/8.
3

%I #19 Jun 19 2023 06:40:39

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

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

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

%N Decimal expansion of sqrt(Pi)/8.

%H Ivan Panchenko, <a href="/A019710/b019710.txt">Table of n, a(n) for n = 0..1000</a>

%H <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a>.

%F Equals 10 * Sum_{k>=1} (k+1/2)!/(k+4)!. - _Amiram Eldar_, Jun 19 2023

%t RealDigits[Sqrt[Pi]/8,10,120][[1]] (* _Harvey P. Dale_, Jul 14 2011 *)

%o (PARI) sqrt(Pi)/8 \\ _Charles R Greathouse IV_, Sep 30 2022

%Y Cf. A002161.

%K nonn,cons

%O 0,1

%A _N. J. A. Sloane_