T(n,k) = Number of n X k 0..1 arrays with the number of 1's horizontally, diagonally or antidiagonally adjacent to some 0 two less than the number of 0's adjacent to some 1.

A293100

T(n,k) = Number of n X k 0..1 arrays with the number of 1's horizontally, diagonally or antidiagonally adjacent to some 0 two less than the number of 0's adjacent to some 1.

Terms

    a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =0a(6) =0a(7) =9a(8) =5a(9) =0a(10) =0a(11) =42a(12) =48a(13) =30a(14) =0a(15) =1a(16) =150a(17) =567a(18) =554a(19) =126a(20) =0a(21) =3a(22) =596a(23) =3619a(24) =8088a(25) =3334a(26) =520a(27) =0a(28) =10a(29) =2220

External references