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

A282862

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

Terms

    a(0) =2a(1) =4a(2) =4a(3) =7a(4) =11a(5) =7a(6) =13a(7) =31a(8) =31a(9) =13a(10) =24a(11) =89a(12) =131a(13) =89a(14) =24a(15) =44a(16) =251a(17) =583a(18) =583a(19) =251a(20) =44a(21) =81a(22) =715a(23) =2562a(24) =4163a(25) =2562a(26) =715a(27) =81a(28) =149a(29) =2028

External references