a(n) = n! * [x^n] Product_{k>=1} 1/(1 + x^k)^(n/k).
A300188
a(n) = n! * [x^n] Product_{k>=1} 1/(1 + x^k)^(n/k).
Terms
- a(0) =1a(1) =-1a(2) =4a(3) =-39a(4) =536a(5) =-9115a(6) =185904a(7) =-4461877a(8) =123647488a(9) =-3886461081a(10) =136538590400
External references
- oeis: A300188