Product t2(q^d); d | 5, where t2 = theta2(q)/(2*q^(1/4)).

Terms

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