Expansion of (Product_{j>=1} (1-(-x)^j) - 1)^9 in powers of x.

Terms

a(0) =1a(1) =-9a(2) =36a(3) =-84a(4) =117a(5) =-54a(6) =-177a(7) =540a(8) =-837a(9) =755a(10) =-54a(11) =-1197a(12) =2535a(13) =-3204a(14) =2520a(15) =-246a(16) =-3150a(17) =6426a(18) =-8106a(19) =7011a(20) =-2844a(21) =-3549a(22) =10359a(23) =-15120a(24) =15804a(25) =-11403a(26) =2574a(27) =8610a(28) =-18972a(29) =25425