Expansion of Product_{m>=1} (1 - m*q^m)^7.

Terms

a(0) =1a(1) =-7a(2) =7a(3) =42a(4) =-56a(5) =-105a(6) =-126a(7) =489a(8) =987a(9) =-651a(10) =-833a(11) =-6062a(12) =-3101a(13) =10381a(14) =21040a(15) =34720a(16) =-20692a(17) =-46732a(18) =-173642a(19) =-238014a(20) =25193a(21) =614802a(22) =1161951a(23) =982667a(24) =981253a(25) =-3028025a(26) =-5721548a(27) =-10660692a(28) =-7448428a(29) =4778767