T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with no 2X2 subblock having its maximum diagonal element less than the absolute difference of its antidiagonal elements.
A251010
T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with no 2X2 subblock having its maximum diagonal element less than the absolute difference of its antidiagonal elements.
Terms
- a(0) =69a(1) =530a(2) =530a(3) =4083a(4) =10743a(5) =4083a(6) =31456a(7) =218298a(8) =218298a(9) =31456a(10) =242326a(11) =4434257a(12) =11671623a(13) =4434257a(14) =242326a(15) =1866789a(16) =90065275a(17) =623999793a(18) =623999793a(19) =90065275a(20) =1866789a(21) =14381065a(22) =1829373498a(23) =33363057374a(24) =87861924805a(25) =33363057374
External references
- oeis: A251010