Character of extremal vertex operator algebra of rank 27/2.

Terms

a(0) =1a(1) =0a(2) =270a(3) =2871a(4) =18171a(5) =89991a(6) =375741a(7) =1380456a(8) =4602852a(9) =14210922a(10) =41167332a(11) =112987953a(12) =296065548a(13) =745155153a(14) =1809970083a(15) =4259274975a(16) =9741874320a(17) =21715729830a(18) =47285705676a(19) =100777629492a(20) =210581716518a(21) =432065232288a(22) =871606268064