Number of n X 3 0..2 arrays with no column j greater than column j-1 in all rows.

A212925

Number of n X 3 0..2 arrays with no column j greater than column j-1 in all rows.

Terms

    a(0) =10a(1) =568a(2) =18226a(3) =518320a(4) =14230810a(5) =386357608a(6) =10450787266a(7) =282343443040

External references