Number of (n+2) X (1+2) 0..2 arrays with no increasing sequence of length 3 horizontally or diagonally downwards.

A233611

Number of (n+2) X (1+2) 0..2 arrays with no increasing sequence of length 3 horizontally or diagonally downwards.

Terms

    a(0) =17064a(1) =430608a(2) =10864544a(3) =274119232a(4) =6916192896a(5) =174499696896

External references