a(n) = [x^n] Sum_{k>=0} x^k/Product_{j=1..k} (1 + n*j*x).
A318183
a(n) = [x^n] Sum_{k>=0} x^k/Product_{j=1..k} (1 + n*j*x).
Terms
- a(0) =1a(1) =1a(2) =-1a(3) =1a(4) =25a(5) =-674a(6) =15211a(7) =-331827a(8) =5987745a(9) =15901597a(10) =-13125035449
External references
- oeis: A318183