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

A253993

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

Terms

    a(0) =512a(1) =2736a(2) =2736a(3) =11872a(4) =13188a(5) =11872a(6) =51856a(7) =68176a(8) =71116a(9) =51856a(10) =222400a(11) =350496a(12) =477856a(13) =406183a(14) =222400a(15) =914112a(16) =1738927a(17) =3060398a(18) =3678188a(19) =2136758a(20) =914112a(21) =3644672a(22) =8730836a(23) =20022358a(24) =30663580a(25) =25361960a(26) =11055001a(27) =3644672a(28) =14254784

External references