G.f. A(x) satisfies: A(x) = Sum_{j>=0} j!*x^j*A(x)^j / Product_{k=1..j} (1 - k*x).
A307439
G.f. A(x) satisfies: A(x) = Sum_{j>=0} j!*x^j*A(x)^j / Product_{k=1..j} (1 - k*x).
Terms
- a(0) =1a(1) =1a(2) =4a(3) =22a(4) =150a(5) =1198a(6) =10900a(7) =111392a(8) =1268816a(9) =16029676a(10) =223672208a(11) =3431679208a(12) =57595357568
External references
- oeis: A307439