Theta series of lattice A_2 tensor E_7 (dimension 14, determinant 8748, minimal norm 4).

Terms

a(0) =1a(1) =0a(2) =378a(3) =4032a(4) =24948a(5) =84672a(6) =272706a(7) =689472a(8) =1471554a(9) =3003840a(10) =6041952a(11) =9640512a(12) =17409420a(13) =28304640a(14) =42284052a(15) =64338624a(16) =101413620a(17) =131362560a(18) =198388554a(19) =275679936a(20) =359236080a(21) =484706880a(22) =685716192a(23) =805569408a(24) =1113880362a(25) =1430763264a(26) =1734830244a(27) =2189464704