E.g.f. satisfies A(x) = (1+x)^2 * exp(x * A(x) / (1+x)).
A378047
E.g.f. satisfies A(x) = (1+x)^2 * exp(x * A(x) / (1+x)).
Terms
- a(0) =1a(1) =3a(2) =11a(3) =70a(4) =685a(5) =8966a(6) =147769a(7) =2938608a(8) =68509193a(9) =1832813866a(10) =55354862701
External references
- oeis: A378047