Number of 5Xn binary arrays with top left element equal to 1 and no two ones adjacent horizontally or antidiagonally.
A228757
Number of 5Xn binary arrays with top left element equal to 1 and no two ones adjacent horizontally or antidiagonally.
Terms
- a(0) =16a(1) =55a(2) =723a(3) =4808a(4) =43862a(5) =342207a(6) =2876170a(7) =23326164a(8) =192379841a(9) =1574217212a(10) =12928573892a(11) =106000461919a(12) =869759215471
External references
- oeis: A228757