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

A254553

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

Terms

    a(0) =512a(1) =2696a(2) =2696a(3) =12260a(4) =9292a(5) =12260a(6) =47140a(7) =34780a(8) =39661a(9) =47140a(10) =170504a(11) =111443a(12) =129677a(13) =128366a(14) =170504a(15) =586508a(16) =375458a(17) =388056a(18) =380406a(19) =443179a(20) =586508a(21) =1964388a(22) =1206693a(23) =1194944a(24) =1193965a(25) =1191782a(26) =1412248a(27) =1964388a(28) =6462708a(29) =3894656

External references