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

Terms

a(0) =3a(1) =9a(2) =9a(3) =22a(4) =81a(5) =22a(6) =46a(7) =484a(8) =484a(9) =46a(10) =86a(11) =2116a(12) =5883a(13) =2116a(14) =86a(15) =148a(16) =7396a(17) =46613a(18) =46613a(19) =7396a(20) =148a(21) =239a(22) =21904a(23) =273562a(24) =608855a(25) =273562a(26) =21904a(27) =239a(28) =367a(29) =57121