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

A254483

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

Terms

    a(0) =512a(1) =2696a(2) =2696a(3) =12260a(4) =11293a(5) =12260a(6) =47140a(7) =50454a(8) =50454a(9) =47140a(10) =170504a(11) =170900a(12) =211579a(13) =170900a(14) =170504a(15) =586508a(16) =603895a(17) =686988a(18) =686988a(19) =603895a(20) =586508a(21) =1964388a(22) =1990286a(23) =2289173a(24) =2539310a(25) =2289173a(26) =1990286a(27) =1964388a(28) =6462708a(29) =6557179

External references