Expansion of (theta_3(z)*theta_3(9z)+theta_2(z)*theta_2(9z))^3.

Terms

a(0) =1a(1) =0a(2) =6a(3) =0a(4) =12a(5) =12a(6) =8a(7) =48a(8) =6a(9) =60a(10) =72a(11) =48a(12) =120a(13) =96a(14) =96a(15) =160a(16) =204a(17) =60a(18) =180a(19) =336a(20) =156a(21) =96a(22) =384a(23) =288a(24) =248a(25) =384a(26) =252a(27) =640a(28) =576a(29) =300