Expansion of Product_{m>=1} ((1+q^(2*m-1))/(1+q^(2*m)))^7.

Terms

a(0) =1a(1) =7a(2) =14a(3) =-7a(4) =-42a(5) =28a(6) =133a(7) =-90a(8) =-357a(9) =231a(10) =833a(11) =-511a(12) =-1792a(13) =1064a(14) =3695a(15) =-2163a(16) =-7329a(17) =4221a(18) =13923a(19) =-7847a(20) =-25536a(21) =14161a(22) =45703a(23) =-25109a(24) =-80010a(25) =43526a(26) =136941a(27) =-73654a(28) =-229823a(29) =122493