a(n) = n! * [x^n] Product_{k>=1} (1 - x^k)^(n/k).
A299033
a(n) = n! * [x^n] Product_{k>=1} (1 - x^k)^(n/k).
Terms
- a(0) =1a(1) =-1a(2) =0a(3) =15a(4) =-136a(5) =885a(6) =-4896a(7) =43085a(8) =-787200a(9) =7775271a(10) =326355200a(11) =-22138191801a(12) =781498160640
External references
- oeis: A299033