Number of nX7 0..2 arrays with rows and columns in lexicographic nondecreasing order but with exactly two mistakes.

A278413

Number of nX7 0..2 arrays with rows and columns in lexicographic nondecreasing order but with exactly two mistakes.

Terms

    a(0) =1107a(1) =1046418a(2) =859516239a(3) =724313811311

External references