Expansion of 1/(1 - x*Product_{k>=1} (1 - k*x^k)).

Terms

a(0) =1a(1) =1a(2) =0a(3) =-3a(4) =-6a(5) =-5a(6) =11a(7) =37a(8) =59a(9) =13a(10) =-155a(11) =-402a(12) =-415a(13) =263a(14) =1981a(15) =3748a(16) =2289a(17) =-6643a(18) =-22642a(19) =-31322a(20) =-187a(21) =99040a(22) =229410a(23) =216823a(24) =-230029a(25) =-1223267a(26) =-2097812a(27) =-955237a(28) =4468902a(29) =13393758