a(n) = [x^n] exp(Sum_{k>=1} (-1)^k*x^k/(k*(1 - x^k)^n)).
A305255
a(n) = [x^n] exp(Sum_{k>=1} (-1)^k*x^k/(k*(1 - x^k)^n)).
Terms
- a(0) =1a(1) =-1a(2) =-1a(3) =-4a(4) =-3a(5) =14a(6) =240a(7) =1686a(8) =9479a(9) =36761a(10) =3412a(11) =-1951731a(12) =-27296124a(13) =-268495319a(14) =-2093667873a(15) =-11586874946a(16) =-3788945531
External references
- oeis: A305255