Expansion of Product_{k>=1} (1 - x^k)^k/(1 - x^(5*k))^(5*k).

Terms

a(0) =1a(1) =-1a(2) =-2a(3) =-1a(4) =0a(5) =9a(6) =-1a(7) =-3a(8) =-2a(9) =-2a(10) =36a(11) =-22a(12) =-40a(13) =-34a(14) =-23a(15) =154a(16) =-53a(17) =-89a(18) =-48a(19) =-4a(20) =652a(21) =-161a(22) =-352a(23) =-293a(24) =-213a(25) =1974a(26) =-813a(27) =-1416a(28) =-1198a(29) =-838