Square array A(n,k) read by antidiagonals: row n gives coordination sequence for lattice C_n.

Terms

a(0) =1a(1) =1a(2) =8a(3) =1a(4) =18a(5) =16a(6) =1a(7) =32a(8) =66a(9) =24a(10) =1a(11) =50a(12) =192a(13) =146a(14) =32a(15) =1a(16) =72a(17) =450a(18) =608a(19) =258a(20) =40a(21) =1a(22) =98a(23) =912a(24) =1970a(25) =1408a(26) =402a(27) =48a(28) =1a(29) =128