Expansion of (theta_3(z)*theta_3(16z)+theta_2(z)*theta_2(16z))^4.

Terms

a(0) =1a(1) =0a(2) =0a(3) =0a(4) =8a(5) =0a(6) =0a(7) =0a(8) =24a(9) =0a(10) =0a(11) =0a(12) =32a(13) =0a(14) =0a(15) =0a(16) =24a(17) =16a(18) =0a(19) =0a(20) =48a(21) =96a(22) =0a(23) =0a(24) =96a(25) =208a(26) =0a(27) =0a(28) =64a(29) =224