Expansion of Jacobi theta constant (theta_2/2)^16.

Terms

a(0) =1a(1) =16a(2) =120a(3) =576a(4) =2060a(5) =6048a(6) =15424a(7) =35200a(8) =73518a(9) =143280a(10) =263584a(11) =461376a(12) =775160a(13) =1256928a(14) =1973760a(15) =3017088a(16) =4503557a(17) =6572880a(18) =9411984a(19) =13249280a(20) =18340932a(21) =25034976a(22) =33739520a(23) =44879616a(24) =59057510a(25) =76949920a(26) =99212352a(27) =126838080a(28) =160884264a(29) =202296960