Crystal ball sequence for {E_6}* lattice.

Terms

a(0) =1a(1) =55a(2) =883a(3) =6085a(4) =26461a(5) =86491a(6) =232975a(7) =545833a(8) =1151065a(9) =2235871a(10) =4065931a(11) =7004845a(12) =11535733a(13) =18284995a(14) =28048231a(15) =41818321a(16) =60815665a(17) =86520583a(18) =120707875a(19) =165483541a(20) =223323661a(21) =297115435