OFFSET
1,1
LINKS
Ivan Panchenko, Table of n, a(n) for n = 1..1000
Eric Weisstein's World of Mathematics, Arithmetic-Geometric Mean
FORMULA
2.6040081905309402886964274487250343309270652556376494877484132544556792805685...
MATHEMATICA
RealDigits[ArithmeticGeometricMean[1, 5], 10, 120][[1]] (* Vincenzo Librandi, Mar 12 2015 *)
RealDigits[N[3Pi/(2EllipticK[4/9]), 102]][[1]] (* Jean-François Alcover, Jun 02 2019 *)
PROG
(PARI) agm(1, 5) \\ Michel Marcus, Jun 02 2019
CROSSREFS
KEYWORD
AUTHOR
Eric W. Weisstein, Jun 10 2003
STATUS
approved