Number of nX5 binary arrays with top left value 1 and no two ones adjacent horizontally, vertically, diagonally or antidiagonally.
A228503
Number of nX5 binary arrays with top left value 1 and no two ones adjacent horizontally, vertically, diagonally or antidiagonally.
Terms
- a(0) =5a(1) =11a(2) =88a(3) =358a(4) =2002a(5) =9528a(6) =49101a(7) =243118a(8) =1228036a(9) =6141239a(10) =30865981a(11) =154742849a(12) =776765183a(13) =3896668986a(14) =19553995645a(15) =98108834263a(16) =492283814664
External references
- oeis: A228503