Theta series of A_22 lattice.

Terms

a(0) =1a(1) =506a(2) =53130a(3) =2029566a(4) =35668446a(5) =340000122a(6) =2094317302a(7) =9773190636a(8) =37179208176a(9) =120683024506a(10) =346388200466a(11) =897628047384