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

A254168

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

Terms

    a(0) =512a(1) =3036a(2) =3036a(3) =16240a(4) =23660a(5) =16240a(6) =76832a(7) =164408a(8) =164684a(9) =76832a(10) =348032a(11) =1078032a(12) =1553720a(13) =1014816a(14) =348032a(15) =1511152a(16) =6831024a(17) =15016048a(18) =13514192a(19) =6159516a(20) =1511152a(21) =6440848a(22) =41678024a(23) =139009432a(24) =191190272a(25) =119471400a(26) =36538548

External references