E.g.f. satisfies A(x) = (1 + x * exp(x*A(x)))^4.
A377579
E.g.f. satisfies A(x) = (1 + x * exp(x*A(x)))^4.
Terms
- a(0) =1a(1) =4a(2) =20a(3) =204a(4) =3112a(5) =61220a(6) =1523064a(7) =45456292a(8) =1586426720a(9) =63461164932
External references
- oeis: A377579