Expansion of Product_{k>=1} (1-x^k)^30.

Terms

a(0) =1a(1) =-30a(2) =405a(3) =-3190a(4) =15660a(5) =-45036a(6) =40745a(7) =222750a(8) =-974835a(9) =1334580a(10) =1547469a(11) =-8174520a(12) =8380245a(13) =9200250a(14) =-23243355a(15) =-2643380a(16) =14704740a(17) =82050570a(18) =-116275500a(19) =-195804810a(20) =442809990a(21) =25147930a(22) =-371898000a(23) =-313802910a(24) =125394405a(25) =1688931000a(26) =-1364323095a(27) =-737497840a(28) =158838945a(29) =-1653918750