Number of nX5 binary arrays with top left value 1 and no two ones adjacent horizontally, vertically or nw-se diagonally.
A228280
Number of nX5 binary arrays with top left value 1 and no two ones adjacent horizontally, vertically or nw-se diagonally.
Terms
- a(0) =5a(1) =13a(2) =112a(3) =587a(4) =3631a(5) =21166a(6) =126119a(7) =745178a(8) =4416695a(9) =26150120a(10) =154877307a(11) =917205757a(12) =5431915952a(13) =32169045631a(14) =190512481196
External references
- oeis: A228280