1 + Sum_{n>=1} a_n x^n = Product_{n>=1} (1-x^n)^prime(n).

Terms

a(0) =1a(1) =-2a(2) =-2a(3) =1a(4) =3a(5) =7a(6) =5a(7) =6a(8) =-10a(9) =-27a(10) =-50a(11) =-42a(12) =-30a(13) =41a(14) =148a(15) =241a(16) =345a(17) =303a(18) =167a(19) =-275a(20) =-858a(21) =-1685a(22) =-2342a(23) =-2813a(24) =-2316a(25) =-536a(26) =2914a(27) =8228a(28) =14531a(29) =20955