Product t2(q^d); d | 14, where t2 = theta2(q)/(2*q^(1/4)).

Terms

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