Expansion of Product_{m>=1} (1+q^m)^(-27).

Terms

a(0) =1a(1) =-27a(2) =351a(3) =-2952a(4) =18279a(5) =-90234a(6) =376065a(7) =-1380861a(8) =4603419a(9) =-14211732a(10) =41168493a(11) =-112989411a(12) =296067411a(13) =-745157691a(14) =1809973404a(15) =-4259279106a(16) =9741879531a(17) =-21715736634a(18) =47285714262a(19) =-100777640049a(20) =210581729640a(21) =-432065248731a(22) =871606288422