T(n,k)=Number of (n+1)X(k+1) binary arrays with no 2X2 subblock commuting with any of its horizontal and vertical 2X2 subblock neighbors.

A187729

T(n,k)=Number of (n+1)X(k+1) binary arrays with no 2X2 subblock commuting with any of its horizontal and vertical 2X2 subblock neighbors.

Terms

    a(0) =16a(1) =43a(2) =43a(3) =130a(4) =174a(5) =130a(6) =391a(7) =689a(8) =689a(9) =391a(10) =1173a(11) =2804a(12) =3698a(13) =2804a(14) =1173a(15) =3520a(16) =11324a(17) =20684a(18) =20684a(19) =11324a(20) =3520a(21) =10558a(22) =46003a(23) =114633a(24) =161571a(25) =114633a(26) =46003a(27) =10558a(28) =31672a(29) =186672

External references