Number of nX5 0..3 arrays with rows and columns in lexicographic nondecreasing order but with exactly two mistakes.

A278551

Number of nX5 0..3 arrays with rows and columns in lexicographic nondecreasing order but with exactly two mistakes.

Terms

    a(0) =456a(1) =385040a(2) =256173362a(3) =157222953688

External references