If there were a 9-dimensional unimodular lattice with minimal norm 2, this would be its theta series; however, no such lattice exists.

A032800

If there were a 9-dimensional unimodular lattice with minimal norm 2, this would be its theta series; however, no such lattice exists.

Terms

    a(0) =1a(1) =0a(2) =252a(3) =456a(4) =2178a(5) =4320a(6) =7176a(7) =13536a(8) =21744a(9) =35072a(10) =43560a(11) =60984a(12) =95712a(13) =125280a(14) =143280a(15) =178080a(16) =261234a(17) =315648a(18) =347748a(19) =424152a(20) =557280a(21) =665280a(22) =695592a(23) =804960a(24) =1070112a(25) =1262592a(26) =1226520a(27) =1418592

External references