Theta series of 6-dimensional lattice P6.4 = A6,2.

Terms

a(0) =1a(1) =0a(2) =44a(3) =60a(4) =54a(5) =256a(6) =252a(7) =216a(8) =572a(9) =544a(10) =540a(11) =1008a(12) =1020a(13) =864a(14) =1728a(15) =1560a(16) =1134a(17) =2800a(18) =2080a(19) =1512a(20) =3832a(21) =3264a(22) =2160a(23) =4608a(24) =4092a(25) =3024a(26) =6328a(27) =4380a(28) =3456a(29) =8224