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

A254894

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

Terms

    a(0) =512a(1) =2540a(2) =2540a(3) =9560a(4) =8944a(5) =9560a(6) =35272a(7) =35296a(8) =35296a(9) =35272a(10) =123448a(11) =149931a(12) =171400a(13) =149931a(14) =123448a(15) =404672a(16) =516726a(17) =822072a(18) =822072a(19) =516726a(20) =404672a(21) =1267488a(22) =1662439a(23) =2580056a(24) =4577708a(25) =2580056a(26) =1662439a(27) =1267488a(28) =3838248a(29) =5009638

External references