Denominators of partial sums of a series for the inverse of the arithmetic-geometric mean (agM) of 2/sqrt(5) and 1.

A130040

Denominators of partial sums of a series for the inverse of the arithmetic-geometric mean (agM) of 2/sqrt(5) and 1.

Terms

    a(0) =1a(1) =20a(2) =1600a(3) =6400a(4) =409600a(5) =204800000a(6) =16384000000a(7) =327680000000

External references