Expansion of (eta(q) / eta(q^9))^3 in powers of q.

Terms

a(0) =1a(1) =-3a(2) =0a(3) =5a(4) =0a(5) =0a(6) =-7a(7) =0a(8) =0a(9) =3a(10) =0a(11) =0a(12) =15a(13) =0a(14) =0a(15) =-32a(16) =0a(17) =0a(18) =9a(19) =0a(20) =0a(21) =58a(22) =0a(23) =0a(24) =-96a(25) =0a(26) =0a(27) =22a(28) =0a(29) =0