Number of (n+2) X (1+2) 0..2 arrays with no increasing sequence of length 3 vertically, diagonally downwards or antidiagonally downwards.
A234374
Number of (n+2) X (1+2) 0..2 arrays with no increasing sequence of length 3 vertically, diagonally downwards or antidiagonally downwards.
Terms
- a(0) =16584a(1) =372690a(2) =8280018a(3) =183669567a(4) =4070647527a(5) =90202925160
External references
- oeis: A234374