Expansion of Product_{m>=1} (1+m*q^m)^-25.

Terms

a(0) =1a(1) =-25a(2) =275a(3) =-1750a(4) =7300a(5) =-23255a(6) =73150a(7) =-252625a(8) =796275a(9) =-2137925a(10) =5733355a(11) =-16646550a(12) =45304475a(13) =-111461125a(14) =280683700a(15) =-735052700a(16) =1815283450a(17) =-4275549750a(18) =10301217900a(19) =-24923579950a(20) =58128778485a(21) =-133132664600