Coordination sequence for {A_7}* lattice.

Terms

a(0) =1a(1) =16a(2) =128a(3) =688a(4) =2746a(5) =8752a(6) =23536a(7) =55568a(8) =118498a(9) =232976a(10) =428752a(11) =747056a(12) =1243258a(13) =1989808a(14) =3079456a(15) =4628752a(16) =6781826a(17) =9714448a(18) =13638368a(19) =18805936a(20) =25515002a(21) =34114096a(22) =45007888a(23) =58662928a(24) =75613666a(25) =96468752a(26) =121917616a(27) =152737328a(28) =189799738a(29) =234078896