T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with no 2X2 subblock having the maximum of its diagonal elements greater than the absolute difference of its antidiagonal elements.

A251113

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with no 2X2 subblock having the maximum of its diagonal elements greater than the absolute difference of its antidiagonal elements.

Terms

    a(0) =37a(1) =147a(2) =147a(3) =526a(4) =810a(5) =526a(6) =1844a(7) =3616a(8) =3616a(9) =1844a(10) =6544a(11) =15281a(12) =19131a(13) =15281a(14) =6544a(15) =23334a(16) =67518a(17) =99147a(18) =99147a(19) =67518a(20) =23334a(21) =83126a(22) =304870a(23) =549944a(24) =667626a(25) =549944a(26) =304870a(27) =83126a(28) =295938a(29) =1369052

External references