Expansion of (eta(q^5)*eta(q^7))^2.

Terms

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