T(n,k)=Number of nXk 0..1 arrays with each 1 horizontally, vertically or antidiagonally adjacent to 1 neighboring 1.

A296320

T(n,k)=Number of nXk 0..1 arrays with each 1 horizontally, vertically or antidiagonally adjacent to 1 neighboring 1.

Terms

    a(0) =1a(1) =2a(2) =2a(3) =3a(4) =6a(5) =3a(6) =4a(7) =11a(8) =11a(9) =4a(10) =6a(11) =27a(12) =32a(13) =27a(14) =6a(15) =9a(16) =60a(17) =96a(18) =96a(19) =60a(20) =9a(21) =13a(22) =132a(23) =295a(24) =434a(25) =295a(26) =132a(27) =13a(28) =19a(29) =301

External references