Number of (n+2)X(4+2) 0..3 arrays with no increasing sequence of length 3 horizontally, vertically or antidiagonally downwards.

A233799

Number of (n+2)X(4+2) 0..3 arrays with no increasing sequence of length 3 horizontally, vertically or antidiagonally downwards.

Terms

    a(0) =17394286865

External references