T(n,k)=Number of nXk 0..2 arrays with rows, diagonals and antidiagonals unimodal.

Terms

a(0) =3a(1) =9a(2) =9a(3) =22a(4) =81a(5) =27a(6) =46a(7) =484a(8) =729a(9) =81a(10) =86a(11) =2116a(12) =8635a(13) =6561a(14) =243a(15) =148a(16) =7396a(17) =62365a(18) =151580a(19) =59049a(20) =729a(21) =239a(22) =21904a(23) =334230a(24) =1560013a(25) =2703137a(26) =531441a(27) =2187a(28) =367a(29) =57121