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

A253764

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

Terms

    a(0) =512a(1) =2992a(2) =2992a(3) =16544a(4) =23096a(5) =16544a(6) =82064a(7) =164120a(8) =164120a(9) =82064a(10) =423232a(11) =1135439a(12) =1622944a(13) =1135439a(14) =423232a(15) =2154496a(16) =8385264a(17) =17235224a(18) =17235224a(19) =8385264a(20) =2154496a(21) =11244672a(22) =60838168a(23) =180950650a(24) =259418152a(25) =180950650

External references