Theta series of 18-dimensional lattice associated with Sp_4(4), with det 256 and minimal norm 3.

A005950

Theta series of 18-dimensional lattice associated with Sp_4(4), with det 256 and minimal norm 3.

Terms

    a(0) =1a(1) =0a(2) =0a(3) =240a(4) =3060a(5) =19584a(6) =77760a(7) =249120a(8) =774180a(9) =2110720a(10) =4621824a(11) =9294480a(12) =19873920a(13) =40049280a(14) =68181120a(15) =110984160a(16) =198425700a(17) =342524160a(18) =509271040a(19) =735758640a(20) =1183095144

External references