E.g.f. satisfies A(x) = exp(x) / (1 - x * A(x))^2.
A377742
E.g.f. satisfies A(x) = exp(x) / (1 - x * A(x))^2.
Terms
- a(0) =1a(1) =3a(2) =23a(3) =331a(4) =7133a(5) =205901a(6) =7470475a(7) =326932299a(8) =16768124217a(9) =986753701657
External references
- oeis: A377742