Number of (n+2)X(3+2) 0..1 arrays with every 3X3 subblock diagonal maximum minus antidiagonal median nondecreasing horizontally and vertically.
A254452
Number of (n+2)X(3+2) 0..1 arrays with every 3X3 subblock diagonal maximum minus antidiagonal median nondecreasing horizontally and vertically.
Terms
- a(0) =16240a(1) =196684a(2) =2085712a(3) =19716320a(4) =180449544a(5) =1621936236a(6) =14531913928a(7) =129887483092
External references
- oeis: A254452