T(n,k)=Number of nXk 0..1 arrays with diagonals and antidiagonals unimodal and rows nondecreasing.

Terms

a(0) =2a(1) =3a(2) =4a(3) =4a(4) =9a(5) =8a(6) =5a(7) =16a(8) =27a(9) =16a(10) =6a(11) =25a(12) =54a(13) =81a(14) =32a(15) =7a(16) =36a(17) =96a(18) =177a(19) =243a(20) =64a(21) =8a(22) =49a(23) =157a(24) =321a(25) =596a(26) =729a(27) =128a(28) =9a(29) =64