Product theta3(q^d); d | 9.

Terms

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