Theta series of 12-dimensional Coxeter-Todd lattice K_12.

Terms

a(0) =1a(1) =0a(2) =756a(3) =4032a(4) =20412a(5) =60480a(6) =139860a(7) =326592a(8) =652428a(9) =1020096a(10) =2000376a(11) =3132864a(12) =4445532a(13) =7185024a(14) =10747296a(15) =13148352a(16) =21003948a(17) =27506304a(18) =33724404a(19) =48009024a(20) =64049832a(21) =70709184a(22) =102958128a(23) =124782336a(24) =142254252a(25) =189423360a(26) =237588120a(27) =248250240a(28) =344391264