Number of nX5 0..3 arrays with some element plus some horizontally, diagonally or antidiagonally adjacent neighbor totalling three exactly once.
A269211
Number of nX5 0..3 arrays with some element plus some horizontally, diagonally or antidiagonally adjacent neighbor totalling three exactly once.
Terms
- a(0) =432a(1) =49536a(2) =4744704a(3) =394072704a(4) =30541426560
External references
- oeis: A269211