Expansion of (theta_3(z)*theta_3(6z)+theta_2(z)*theta_2(6z))^4.

Terms

a(0) =1a(1) =0a(2) =0a(3) =0a(4) =8a(5) =0a(6) =0a(7) =16a(8) =24a(9) =0a(10) =0a(11) =96a(12) =32a(13) =0a(14) =96a(15) =208a(16) =24a(17) =0a(18) =384a(19) =224a(20) =48a(21) =256a(22) =576a(23) =288a(24) =104a(25) =512a(26) =768a(27) =512a(28) =384a(29) =768