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

A233475

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

Terms

    a(0) =178464a(1) =8840905a(2) =432047816a(3) =21111771232

External references