Number of nX7 0..1 arrays with rows and columns in lexicographic nondecreasing order but with exactly two mistakes.

A278324

Number of nX7 0..1 arrays with rows and columns in lexicographic nondecreasing order but with exactly two mistakes.

Terms

    a(0) =56a(1) =4991a(2) =251892a(3) =11947350a(4) =570738085a(5) =26606146271

External references