Number of nX7 binary arrays with top left element equal to 1 and no two ones adjacent horizontally or antidiagonally.
A228753
Number of nX7 binary arrays with top left element equal to 1 and no two ones adjacent horizontally or antidiagonally.
Terms
- a(0) =13a(1) =289a(2) =6277a(3) =134440a(4) =2876170a(5) =61534448a(6) =1316714732a(7) =28177227352a(8) =602998827928
External references
- oeis: A228753