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

A254804

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

Terms

    a(0) =512a(1) =2700a(2) =2700a(3) =12680a(4) =10484a(5) =12680a(6) =47816a(7) =40167a(8) =46026a(9) =47816a(10) =178752a(11) =121701a(12) =133628a(13) =132639a(14) =178752a(15) =618856a(16) =426308a(17) =362924a(18) =351264a(19) =479464a(20) =618856a(21) =2201616a(22) =1351487a(23) =1133390a(24) =1075560a(25) =1200192a(26) =1478353a(27) =2201616a(28) =7686444a(29) =4771368

External references