T(n,k)=Number of nXk 0..3 arrays with rows, diagonals and antidiagonals unimodal.

Terms

a(0) =4a(1) =16a(2) =16a(3) =50a(4) =256a(5) =64a(6) =130a(7) =2500a(8) =4096a(9) =256a(10) =296a(11) =16900a(12) =99223a(13) =65536a(14) =1024a(15) =610a(16) =87616a(17) =1336985a(18) =3863372a(19) =1048576a(20) =4096a(21) =1163a(22) =372100a(23) =12520369a(24) =88682677a(25) =152918517a(26) =16777216a(27) =16384a(28) =2083a(29) =1352569