Product theta3(q^d); d | 16.

Terms

a(0) =1a(1) =2a(2) =2a(3) =4a(4) =4a(5) =4a(6) =8a(7) =8a(8) =8a(9) =10a(10) =12a(11) =12a(12) =16a(13) =20a(14) =16a(15) =24a(16) =26a(17) =24a(18) =30a(19) =28a(20) =32a(21) =40a(22) =40a(23) =40a(24) =48a(25) =50a(26) =52a(27) =64a(28) =64a(29) =60