T(n,k)=Number of nXk 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1, 2 or 3 neighboring 1s.

A297654

T(n,k)=Number of nXk 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1, 2 or 3 neighboring 1s.

Terms

    a(0) =1a(1) =2a(2) =1a(3) =4a(4) =10a(5) =1a(6) =7a(7) =43a(8) =36a(9) =1a(10) =12a(11) =140a(12) =231a(13) =126a(14) =1a(15) =21a(16) =494a(17) =1073a(18) =1421a(19) =454a(20) =1a(21) =37a(22) =1845a(23) =6838a(24) =11024a(25) =9033a(26) =1632a(27) =1a(28) =65a(29) =6757

External references