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

A296396

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

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) =28a(12) =36a(13) =28a(14) =6a(15) =9a(16) =63a(17) =115a(18) =115a(19) =63a(20) =9a(21) =13a(22) =139a(23) =387a(24) =597a(25) =387a(26) =139a(27) =13a(28) =19a(29) =328

External references