%I #23 May 31 2021 03:23:59
%S 3,9,3,6,2,3,5,5,0,3,6,4,9,5,5,5,4,7,7,9,7,8,9,2,6,1,7,5,5,0,0,7,4,7,
%T 8,9,7,8,2,7,8,9,7,6,4,0,7,3,7,1,6,3,9,4,2,4,5,8,2,0,1,2,2,6,3,4,9,5,
%U 9,8,9,7,8,7,9,1,4,7,2,9,8,0,7,8,6,2,6,6,5,4,4,1,9,8,7,2,6,9,1,1,6,5,6,7,9
%N Decimal expansion of the arithmetic-geometric mean (AGM) of 3 and 5.
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/Arithmetic-GeometricMean.html">Arithmetic-Geometric Mean</a>.
%e AGM(3,5) = 3.9362355036495554779789...
%t RealDigits[ArithmeticGeometricMean[3, 5], 10, 100][[1]] (* _Amiram Eldar_, May 31 2021 *)
%o (PARI) agm(3,5) \\ _Charles R Greathouse IV_, Mar 03 2016
%K nonn,cons
%O 1,1
%A _Zak Seidov_, Oct 05 2002