T(n,k)=Number of nXk 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1, 3 or 4 neighboring 1s.

A297749

T(n,k)=Number of nXk 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1, 3 or 4 neighboring 1s.

Terms

    a(0) =1a(1) =2a(2) =1a(3) =3a(4) =5a(5) =1a(6) =4a(7) =19a(8) =11a(9) =1a(10) =6a(11) =37a(12) =66a(13) =24a(14) =1a(15) =9a(16) =71a(17) =174a(18) =230a(19) =55a(20) =1a(21) =13a(22) =237a(23) =452a(24) =852a(25) =1142a(26) =123a(27) =1a(28) =19a(29) =715

External references