O.g.f. satisfies: A(x) = Sum_{n>=0} (n+1)^(n-1) * (n*x)^n * A(n*x)^(2*n)/n! * exp(-(n+1)*n*x*A(n*x)^2).
A219220
O.g.f. satisfies: A(x) = Sum_{n>=0} (n+1)^(n-1) * (n*x)^n * A(n*x)^(2*n)/n! * exp(-(n+1)*n*x*A(n*x)^2).
Terms
- a(0) =1a(1) =1a(2) =6a(3) =91a(4) =2306a(5) =86576a(6) =4570570a(7) =333164243a(8) =33547502582
External references
- oeis: A219220