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

A253962

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

Terms

    a(0) =2992a(1) =20868a(2) =142800a(3) =1022752a(4) =7533252a(5) =55225242a(6) =405335284a(7) =2967835536a(8) =21767762337a(9) =159539717188

External references