Number of (2+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal maximum plus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally.

A254492

Number of (2+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal maximum plus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally.

Terms

    a(0) =3264a(1) =29952a(2) =278848a(3) =2523008a(4) =21822912a(5) =186999040a(6) =1608739904a(7) =13816488064a(8) =118589929664

External references