O.g.f. A(x) satisfies: [x^n] exp( n*(n+1) * A(x) ) = n*(n+1) * [x^(n-1)] exp( n*(n+1) * A(x) ) for n>=1.
A300871
O.g.f. A(x) satisfies: [x^n] exp( n*(n+1) * A(x) ) = n*(n+1) * [x^(n-1)] exp( n*(n+1) * A(x) ) for n>=1.
Terms
- a(0) =1a(1) =3a(2) =48a(3) =1510a(4) =71280a(5) =4511808a(6) =361640832a(7) =35516910960
External references
- oeis: A300871