Theta series of quadratic form with Gram matrix [ 4, 1, 0; 1, 2, 1; 0, 1, 6 ].

Terms

a(0) =1a(1) =2a(2) =4a(3) =4a(4) =8a(5) =10a(6) =4a(7) =2a(8) =12a(9) =14a(10) =0a(11) =14a(12) =8a(13) =8a(14) =16a(15) =12a(16) =16a(17) =10a(18) =12a(19) =0a(20) =20a(21) =20a(22) =8a(23) =12a(24) =16a(25) =12a(26) =16a(27) =8a(28) =8a(29) =36