Expansion of (theta_3(z)*theta_3(13z)+theta_2(z)*theta_2(13z))^3.

Terms

a(0) =1a(1) =0a(2) =6a(3) =0a(4) =12a(5) =0a(6) =8a(7) =12a(8) =6a(9) =48a(10) =24a(11) =60a(12) =24a(13) =48a(14) =48a(15) =96a(16) =108a(17) =96a(18) =126a(19) =60a(20) =216a(21) =208a(22) =168a(23) =96a(24) =104a(25) =240a(26) =318a(27) =192a(28) =276a(29) =336