T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X3 or 3X2 subblock having exactly three clockwise edge increases.

A206072

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X3 or 3X2 subblock having exactly three clockwise edge increases.

Terms

    a(0) =81a(1) =150a(2) =150a(3) =537a(4) =606a(5) =537a(6) =2052a(7) =3330a(8) =3330a(9) =2052a(10) =7878a(11) =18534a(12) =27654a(13) =18534a(14) =7878a(15) =29760a(16) =103194a(17) =233058a(18) =233058a(19) =103194a(20) =29760a(21) =112236a(22) =574182a(23) =1967814a(24) =2991276a(25) =1967814a(26) =574182a(27) =112236a(28) =423288a(29) =3193722

External references