Number of nX6 0..1 arrays with rows and columns in lexicographic nondecreasing order but with exactly two mistakes.

A278323

Number of nX6 0..1 arrays with rows and columns in lexicographic nondecreasing order but with exactly two mistakes.

Terms

    a(0) =21a(1) =1492a(2) =51229a(3) =1548002a(4) =43798840a(5) =1133034160a(6) =26606146271a(7) =577253086055

External references