Product_{n>=1} (1 + a(n)*x^n) = 1 + Sum_{n>=1} tau(n)*x^n, where tau = A000005.

Terms

a(0) =1a(1) =2a(2) =0a(3) =3a(4) =-1a(5) =-1a(6) =-1a(7) =9a(8) =1a(9) =-7a(10) =0a(11) =4a(12) =-1a(13) =-19a(14) =2a(15) =94a(16) =-2a(17) =-57a(18) =2a(19) =81a(20) =-4a(21) =-186a(22) =3a(23) =226a(24) =3a(25) =-632a(26) =-2a(27) =1040a(28) =1a(29) =-2060