Character of extremal vertex operator algebra of rank 23/2.

Terms

a(0) =1a(1) =0a(2) =276a(3) =1771a(4) =9430a(5) =39445a(6) =142531a(7) =460391a(8) =1370156a(9) =3810341a(10) =10013717a(11) =25082282a(12) =60303447a(13) =139869762a(14) =314255118a(15) =686285408a(16) =1461010508a(17) =3039221633a(18) =6190257789a(19) =12366731770a(20) =24269856335a(21) =46851441255a(22) =89069526921a(23) =166930973477a(24) =308709141202a(25) =563802228832