G.f. satisfies: A(x) = 1 + 4*x*AGM(A(x), A(x)^3).
A272823
G.f. satisfies: A(x) = 1 + 4*x*AGM(A(x), A(x)^3).
Terms
- a(0) =1a(1) =4a(2) =32a(3) =336a(4) =4032a(5) =52336a(6) =715392a(7) =10144192a(8) =147836416a(9) =2200709040a(10) =33319564288a(11) =511496462656
External references
- oeis: A272823