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

A278633

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

Terms

    a(0) =1107a(1) =932205a(2) =541463431a(3) =309971214338

External references