O.g.f.: Sum_{n>=0} (1+n^3*x)^n * x^n/n! * exp(-(1+n^3*x)*x).
A218685
O.g.f.: Sum_{n>=0} (1+n^3*x)^n * x^n/n! * exp(-(1+n^3*x)*x).
Terms
- a(0) =1a(1) =0a(2) =1a(3) =6a(4) =34a(5) =270a(6) =3415a(7) =31230a(8) =681026a(9) =6949920a(10) =230637870a(11) =2546120514a(12) =119281951006
External references
- oeis: A218685