Number of nX4 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 0, 2 or 3 neighboring 1s.
A297633
Number of nX4 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 0, 2 or 3 neighboring 1s.
Terms
- a(0) =8a(1) =69a(2) =374a(3) =2370a(4) =16508a(5) =109790a(6) =740555a(7) =5099557a(8) =35164860a(9) =243349752a(10) =1692155321a(11) =11793110356a(12) =82320111334a(13) =575444883737
External references
- oeis: A297633