Expansion of eta(q) * eta(q^10)^3 / (eta(q^2) * eta(q^4) * eta(q^5) * eta(q^20)) in powers of q.

Terms

a(0) =1a(1) =-1a(2) =0a(3) =-1a(4) =2a(5) =-1a(6) =0a(7) =-2a(8) =4a(9) =-3a(10) =0a(11) =-3a(12) =8a(13) =-4a(14) =0a(15) =-6a(16) =14a(17) =-8a(18) =0a(19) =-10a(20) =22a(21) =-12a(22) =0a(23) =-16a(24) =36a(25) =-21a(26) =0a(27) =-25a(28) =56a(29) =-30