Theta series of laminated lattice LAMBDA_13^{mid}.

Terms

a(0) =1a(1) =0a(2) =890a(3) =6400a(4) =36600a(5) =110080a(6) =337520a(7) =698880a(8) =1649610a(9) =2780160a(10) =5619792a(11) =8387840a(12) =15347280a(13) =20974080a(14) =35834560a(15) =46174720a(16) =74480280a(17) =92062720a(18) =142597450a(19) =169132800a(20) =254916880a(21) =293647360a(22) =429515280a(23) =485235200a(24) =693838000a(25) =765358080a(26) =1078906000a(27) =1170170880