Number of (6+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal median minus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally.
A253966
Number of (6+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal median minus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally.
Terms
- a(0) =2154496a(1) =56216811a(2) =1798654745a(3) =55018824334
External references
- oeis: A253966