Number of (3+2)X(n+2) 0..2 arrays with no increasing sequence of length 3 horizontally or diagonally downwards.

A233621

Number of (3+2)X(n+2) 0..2 arrays with no increasing sequence of length 3 horizontally or diagonally downwards.

Terms

    a(0) =10864544a(1) =1955165211a(2) =345855899520

External references