Expansion of (eta(q) * eta(q^7))^3 in powers of q.

Terms

a(0) =1a(1) =-3a(2) =0a(3) =5a(4) =0a(5) =0a(6) =-7a(7) =-3a(8) =9a(9) =0a(10) =-6a(11) =0a(12) =0a(13) =21a(14) =0a(15) =-11a(16) =0a(17) =-27a(18) =0a(19) =0a(20) =0a(21) =18a(22) =18a(23) =0a(24) =25a(25) =0a(26) =0a(27) =-35a(28) =-54a(29) =0