G.f.: Sum_{n>=0} (1-x)^(n*(n+1)) * [ Sum_{k>=1} k^n * x^k ]^n.
A276747
G.f.: Sum_{n>=0} (1-x)^(n*(n+1)) * [ Sum_{k>=1} k^n * x^k ]^n.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =3a(4) =14a(5) =96a(6) =989a(7) =14264a(8) =293081a(9) =8291372a(10) =326486284a(11) =17606371379
External references
- oeis: A276747