Expansion of Product_{m>=1} (1+m*q^m)^-28.

Terms

a(0) =1a(1) =-28a(2) =350a(3) =-2576a(4) =12593a(5) =-45892a(6) =149926a(7) =-514504a(8) =1734264a(9) =-5142508a(10) =14199108a(11) =-40931240a(12) =117876241a(13) =-311946824a(14) =796757922a(15) =-2104447072a(16) =5482534827a(17) =-13518654268a(18) =32992345904a(19) =-81755033080a(20) =198688497651