Number of nX5 0..1 arrays with every element equal to 1, 2, 3, 4 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
A300927
Number of nX5 0..1 arrays with every element equal to 1, 2, 3, 4 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =3a(1) =129a(2) =3447a(3) =87561a(4) =2244335a(5) =57594572a(6) =1477281166a(7) =37892542998a(8) =971951600750
External references
- oeis: A300927