Theta series of lattice Kappa_11.

Terms

a(0) =1a(1) =0a(2) =432a(3) =1824a(4) =8100a(5) =21280a(6) =46030a(7) =95904a(8) =185276a(9) =265120a(10) =509976a(11) =735200a(12) =1031016a(13) =1555200a(14) =2311880a(15) =2645984a(16) =4216860a(17) =5200000a(18) =6396192a(19) =8592480a(20) =11519624a(21) =12022560a(22) =17652168a(23) =20269184a(24) =23363450a(25) =29522880a(26) =37500080a(27) =37249728a(28) =52312392a(29) =57561120