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

Terms

a(0) =1a(1) =-2a(2) =0a(3) =-3a(4) =5a(5) =-3a(6) =14a(7) =-4a(8) =25a(9) =-32a(10) =16a(11) =-88a(12) =18a(13) =-155a(14) =108a(15) =-153a(16) =393a(17) =-88a(18) =855a(19) =-160a(20) =1255a(21) =-974a(22) =1122a(23) =-3172a(24) =370a(25) =-6794a(26) =383a(27) =-10017a(28) =5004a(29) =-9460