Number of nX3 0..2 arrays with rows in nondecreasing lexicographic order and columns in nonincreasing lexicographic order, but with exactly two mistakes.

A278629

Number of nX3 0..2 arrays with rows in nondecreasing lexicographic order and columns in nonincreasing lexicographic order, but with exactly two mistakes.

Terms

    a(0) =1a(1) =285a(2) =10824a(3) =234484a(4) =3739008a(5) =48592635a(6) =541463431a(7) =5325263364a(8) =47098291840a(9) =379621129293

External references