Number of (n+2)X(1+2) 0..1 arrays with every 3X3 subblock diagonal median minus antidiagonal median nondecreasing horizontally and vertically.
A253757
Number of (n+2)X(1+2) 0..1 arrays with every 3X3 subblock diagonal median minus antidiagonal median nondecreasing horizontally and vertically.
Terms
- a(0) =512a(1) =2992a(2) =16544a(3) =82064a(4) =423232a(5) =2154496a(6) =11244672a(7) =58351744a(8) =305405312a(9) =1594118656a(10) =8346515200a(11) =43652413696a(12) =228566467584
External references
- oeis: A253757