Number of nX7 0..1 arrays with every 1 horizontally or antidiagonally adjacent to 1 neighboring 1s.
A297223
Number of nX7 0..1 arrays with every 1 horizontally or antidiagonally adjacent to 1 neighboring 1s.
Terms
- a(0) =13a(1) =145a(2) =1513a(3) =16658a(4) =178469a(5) =1918732a(6) =20599895a(7) =221333623a(8) =2377449633a(9) =25538644681a(10) =274338521973
External references
- oeis: A297223