Theta series of lattice Kappa_7.

Terms

a(0) =1a(1) =0a(2) =92a(3) =64a(4) =436a(5) =320a(6) =1248a(7) =640a(8) =2476a(9) =1024a(10) =5080a(11) =1984a(12) =6170a(13) =2944a(14) =11704a(15) =3840a(16) =13860a(17) =6144a(18) =19964a(19) =7744a(20) =24064a(21) =8768a(22) =36944a(23) =12800a(24) =33888a(25) =15360a(26) =54808a(27) =16768a(28) =57176a(29) =22464