Expansion of e.g.f. Sum_{k>=1} x^k / (k! * (1 - x^k)^k).
A330020
Expansion of e.g.f. Sum_{k>=1} x^k / (k! * (1 - x^k)^k).
Terms
- a(0) =1a(1) =3a(2) =7a(3) =49a(4) =121a(5) =2161a(6) =5041a(7) =127681a(8) =725761a(9) =12852001a(10) =39916801a(11) =2917918081a(12) =6227020801a(13) =392423391361
External references
- oeis: A330020