Theta series of quadratic form with Gram matrix [ 4, 2, 2, 1; 2, 4, 1, 2; 2, 1, 6, 3; 1, 2, 3, 6 ].

Terms

a(0) =1a(1) =0a(2) =6a(3) =12a(4) =12a(5) =0a(6) =30a(7) =12a(8) =18a(9) =36a(10) =6a(11) =24a(12) =72a(13) =24a(14) =36a(15) =12a(16) =48a(17) =24a(18) =114a(19) =24a(20) =12a(21) =84a(22) =48a(23) =36a(24) =162a(25) =0a(26) =60a(27) =120a(28) =84a(29) =48