T(n,k)=Number of nXk 0..1 arrays with no 1 equal to more than one of its horizontal, diagonal and antidiagonal neighbors.

A283543

T(n,k)=Number of nXk 0..1 arrays with no 1 equal to more than one of its horizontal, diagonal and antidiagonal neighbors.

Terms

    a(0) =2a(1) =4a(2) =4a(3) =7a(4) =11a(5) =8a(6) =13a(7) =27a(8) =33a(9) =16a(10) =24a(11) =76a(12) =127a(13) =98a(14) =32a(15) =44a(16) =201a(17) =578a(18) =573a(19) =291a(20) =64a(21) =81a(22) =537a(23) =2369a(24) =4089a(25) =2615a(26) =865a(27) =128a(28) =149a(29) =1444

External references