a(n) = [x^n] Product_{k>=1} 1/(1 + n*x^k)^k.
A298988
a(n) = [x^n] Product_{k>=1} 1/(1 + n*x^k)^k.
Terms
- a(0) =1a(1) =-1a(2) =0a(3) =-18a(4) =208a(5) =-2400a(6) =36504a(7) =-663754a(8) =13808320a(9) =-324176418a(10) =8487126400a(11) =-245122390601
External references
- oeis: A298988