Theta series of lattice A_2 tensor E_6 (dimension 12, det. 6561, min. norm 4).

Terms

a(0) =1a(1) =0a(2) =216a(3) =1440a(4) =7290a(5) =17280a(6) =50436a(7) =116640a(8) =186408a(9) =366912a(10) =714420a(11) =895104a(12) =1600812a(13) =2566080a(14) =3070656a(15) =4734720a(16) =7501410a(17) =7858944a(18) =12134340a(19) =17146080a(20) =18299952a(21) =25463232a(22) =36770760a(23) =35652096a(24) =51224508a(25) =67651200a(26) =67882320a(27) =89316576a(28) =122996880a(29) =113574528