E.g.f. A(x) satisfies A(x) = exp(2 * x / (1 - x*A(x))) / (1 - x*A(x)).
A380916
E.g.f. A(x) satisfies A(x) = exp(2 * x / (1 - x*A(x))) / (1 - x*A(x)).
Terms
- a(0) =1a(1) =3a(2) =20a(3) =254a(4) =4832a(5) =123152a(6) =3947008a(7) =152638320a(8) =6919663360a(9) =359984690432
External references
- oeis: A380916