G.f. satisfies: A(x) = 1 / AGM(1, sqrt(1 - 16*x*A(x))).
A247020
G.f. satisfies: A(x) = 1 / AGM(1, sqrt(1 - 16*x*A(x))).
Terms
- a(0) =1a(1) =4a(2) =52a(3) =896a(4) =17604a(5) =373408a(6) =8329968a(7) =192586752a(8) =4573039204a(9) =110861435360
External references
- oeis: A247020