Number of nX5 0..3 arrays with some element plus some horizontally, diagonally, antidiagonally or vertically adjacent neighbor totalling three no more than once.
A269191
Number of nX5 0..3 arrays with some element plus some horizontally, diagonally, antidiagonally or vertically adjacent neighbor totalling three no more than once.
Terms
- a(0) =756a(1) =27684a(2) =1399612a(3) =67134380a(4) =3159954052a(5) =145995171708
External references
- oeis: A269191