Number of nX5 0..1 arrays with every element equal to 1, 2, 3 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
A302378
Number of nX5 0..1 arrays with every element equal to 1, 2, 3 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =3a(1) =161a(2) =2886a(3) =56541a(4) =1089035a(5) =20993054a(6) =404225195a(7) =7787623959a(8) =150008013842
External references
- oeis: A302378