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

A296405

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

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =4a(5) =1a(6) =1a(7) =8a(8) =8a(9) =1a(10) =1a(11) =17a(12) =24a(13) =17a(14) =1a(15) =1a(16) =46a(17) =82a(18) =82a(19) =46a(20) =1a(21) =1a(22) =114a(23) =316a(24) =444a(25) =316a(26) =114a(27) =1a(28) =1a(29) =289

External references