O.g.f.: Sum_{n>=0} n! * x^n / Product_{k=1..n} (1 - n^2*k*x).
A229258
O.g.f.: Sum_{n>=0} n! * x^n / Product_{k=1..n} (1 - n^2*k*x).
Terms
- a(0) =1a(1) =1a(2) =3a(3) =31a(4) =573a(5) =18031a(6) =854613a(7) =57433951a(8) =5242645173a(9) =625589806831
External references
- oeis: A229258