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

Terms

a(0) =1a(1) =1a(2) =8a(3) =1a(4) =18a(5) =16a(6) =1a(7) =32a(8) =74a(9) =24a(10) =1a(11) =50a(12) =224a(13) =170a(14) =32a(15) =1a(16) =72a(17) =530a(18) =768a(19) =306a(20) =40a(21) =1a(22) =98a(23) =1072a(24) =2562a(25) =1856a(26) =482a(27) =48a(28) =1a(29) =128