E.g.f.: exp(1)*P(x) - Q(x), where P(x) = 1/Product_{n>=1} (1 - x^n/n) and Q(x) = Sum_{n>=1} 1/Product_{k=1..n} (k - x^k).
A249078
E.g.f.: exp(1)*P(x) - Q(x), where P(x) = 1/Product_{n>=1} (1 - x^n/n) and Q(x) = Sum_{n>=1} 1/Product_{k=1..n} (k - x^k).
Terms
- a(0) =1a(1) =1a(2) =4a(3) =17a(4) =96a(5) =595a(6) =4516a(7) =37104a(8) =351020a(9) =3604001a(10) =41007240a(11) =502039444a(12) =6703536516a(13) =95376507135
External references
- oeis: A249078