Number of 7Xn 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1 or 3 neighboring 1s.

A297525

Number of 7Xn 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1 or 3 neighboring 1s.

Terms

    a(0) =1a(1) =276a(2) =8931a(3) =80436a(4) =956810a(5) =22251457a(6) =424461759a(7) =6257746155a(8) =99189736172

External references