Expansion of Product_{m>=1} (1-m*q^m)^19.

Terms

a(0) =1a(1) =-19a(2) =133a(3) =-304a(4) =-931a(5) =5966a(6) =-3743a(7) =-30305a(8) =25384a(9) =124963a(10) =115330a(11) =-927751a(12) =-921272a(13) =3677203a(14) =4569747a(15) =-823517a(16) =-29704847a(17) =-35843823a(18) =67385590a(19) =181844002a(20) =266220704a(21) =-578824816a(22) =-1690299907a(23) =-654094418a(24) =3019554594