Number of (n+1)X(n+1) 0..2 arrays with every 2X2 subblock antidiagonal maximum minus diagonal minimum nondecreasing horizontally and diagonal maximum minus antidiagonal minimum nondecreasing vertically.
A253525
Number of (n+1)X(n+1) 0..2 arrays with every 2X2 subblock antidiagonal maximum minus diagonal minimum nondecreasing horizontally and diagonal maximum minus antidiagonal minimum nondecreasing vertically.
Terms
- a(0) =81a(1) =2722a(2) =22418a(3) =182493a(4) =745281a(5) =4292539a(6) =14461240a(7) =74067255a(8) =239552591a(9) =1153148632a(10) =3757984096a(11) =17291330720a(12) =57734458801
External references
- oeis: A253525