Theta series of quadratic form with Gram matrix [ 1, 0, 0; 0, 3, 1; 0, 1, 4 ].

Terms

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