Expansion of g.f. A(x) satisfying A(x) = Sum_{n>=0} d^n/dx^n x^(4*n) * A(x)^(2*n) / n!.
A361542
Expansion of g.f. A(x) satisfying A(x) = Sum_{n>=0} d^n/dx^n x^(4*n) * A(x)^(2*n) / n!.
Terms
- a(0) =1a(1) =4a(2) =84a(3) =2940a(4) =137228a(5) =7809680a(6) =517517212a(7) =38860889496
External references
- oeis: A361542