Theta series of D_17 lattice.

Terms

a(0) =1a(1) =544a(2) =38114a(3) =808384a(4) =7213984a(5) =37569728a(6) =149405248a(7) =470966912a(8) =1291650786a(9) =3101265120a(10) =6883061184a(11) =13967503552a(12) =27036220096a(13) =48877735232a(14) =85898222336a(15) =142979339392a(16) =233808578464a(17) =365627715968a(18) =565633846434a(19) =841764350272