Expansion of Product_{m>=1} (1-m*q^m)^30.

Terms

a(0) =1a(1) =-30a(2) =375a(3) =-2350a(4) =5625a(5) =18594a(6) =-159470a(7) =264000a(8) =897090a(9) =-3531910a(10) =-1435527a(11) =16983900a(12) =18552080a(13) =-93541590a(14) =-225801585a(15) =676209374a(16) =1172571840a(17) =-2433574980a(18) =-6300652790a(19) =673571550a(20) =37882244124