Number of nX6 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1 neighboring 1.
A297393
Number of nX6 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1 neighboring 1.
Terms
- a(0) =9a(1) =69a(2) =323a(3) =2569a(4) =14940a(5) =99682a(6) =640562a(7) =4101278a(8) =26607999a(9) =170810312a(10) =1102871801a(11) =7104859427a(12) =45791052572a(13) =295185451556
External references
- oeis: A297393