E.g.f. A(x) satisfies A(x) = exp(x/(1+x^2) * A(x)).
A390214
E.g.f. A(x) satisfies A(x) = exp(x/(1+x^2) * A(x)).
Terms
- a(0) =1a(1) =1a(2) =3a(3) =10a(4) =53a(5) =456a(6) =5047a(7) =65584a(8) =993897a(9) =17352064a(10) =342278891a(11) =7518622464a(12) =182100395677
External references
- oeis: A390214