Coordination sequence for {E_6}* lattice.

Terms

a(0) =1a(1) =54a(2) =828a(3) =5202a(4) =20376a(5) =60030a(6) =146484a(7) =312858a(8) =605232a(9) =1084806a(10) =1830060a(11) =2938914a(12) =4530888a(13) =6749262a(14) =9763236a(15) =13770090a(16) =18997344a(17) =25704918a(18) =34187292a(19) =44775666a(20) =57840120a(21) =73791774a(22) =93084948