E.g.f. satisfies A(x) = (1 + x*exp(x*A(x)))^2.
A161632
E.g.f. satisfies A(x) = (1 + x*exp(x*A(x)))^2.
Terms
- a(0) =1a(1) =2a(2) =6a(3) =42a(4) =392a(5) =4970a(6) =78492a(7) =1489838a(8) =33105648a(9) =842437170a(10) =24181696820a(11) =772887702422
External references
- oeis: A161632