Number of nX4 0..3 arrays with rows and columns in lexicographic nondecreasing order but with exactly two mistakes.

A278550

Number of nX4 0..3 arrays with rows and columns in lexicographic nondecreasing order but with exactly two mistakes.

Terms

    a(0) =65a(1) =25402a(2) =6207774a(3) =1116456061a(4) =157222953688

External references