Number of nX2 0..3 arrays with rows and columns in lexicographic nondecreasing order but with exactly three mistakes.

A278605

Number of nX2 0..3 arrays with rows and columns in lexicographic nondecreasing order but with exactly three mistakes.

Terms

    a(0) =0a(1) =0a(2) =395a(3) =16224a(4) =354696a(5) =6208804a(6) =94510277a(7) =1235465691a(8) =13780447802a(9) =132510394588

External references