E.g.f. A(x) satisfies A(x) = exp( x^2*A(x)^2 ) * (1+x*A(x)).
A387974
E.g.f. A(x) satisfies A(x) = exp( x^2*A(x)^2 ) * (1+x*A(x)).
Terms
- a(0) =1a(1) =1a(2) =4a(3) =30a(4) =324a(5) =4680a(6) =84720a(7) =1846320a(8) =47108880a(9) =1378097280a(10) =45484165440
External references
- oeis: A387974