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

A278308

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

Terms

    a(0) =504a(1) =197981a(2) =114457714a(3) =69684770828

External references