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

A278318

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

Terms

    a(0) =0a(1) =3a(2) =236a(3) =19854a(4) =3058990a(5) =1133034160

External references