Theta series of 6-dimensional perfect lattice P6.6 = A6,1.

Terms

a(0) =1a(1) =0a(2) =42a(3) =54a(4) =72a(5) =210a(6) =270a(7) =174a(8) =630a(9) =440a(10) =552a(11) =924a(12) =1090a(13) =660a(14) =1824a(15) =1398a(16) =1308a(17) =2256a(18) =2292a(19) =1356a(20) =4158a(21) =2454a(22) =2328a(23) =4080a(24) =4530a(25) =2436a(26) =6552a(27) =4158a(28) =3858a(29) =6552