Square array T(n,k) read by antidiagonals: coordination sequence for lattice D_n.

Terms

a(0) =1a(1) =1a(2) =24a(3) =1a(4) =40a(5) =144a(6) =1a(7) =60a(8) =370a(9) =456a(10) =1a(11) =84a(12) =792a(13) =1640a(14) =1056a(15) =1a(16) =112a(17) =1498a(18) =4724a(19) =4930a(20) =2040a(21) =1a(22) =144a(23) =2592a(24) =11620a(25) =18096a(26) =11752a(27) =3504a(28) =1a(29) =180