O.g.f. A(x) satisfies: [x^n] exp( n*(n+4) * x ) / A(x) = 0 for n>0.
A304865
O.g.f. A(x) satisfies: [x^n] exp( n*(n+4) * x ) / A(x) = 0 for n>0.
Terms
- a(0) =1a(1) =5a(2) =37a(3) =434a(4) =7751a(5) =193101a(6) =6200872a(7) =242667316a(8) =11144759839a(9) =585318934391
External references
- oeis: A304865