Number of (n+1)X(7+1) 0..2 arrays with every 2X2 subblock sum nondecreasing horizontally, vertically and antidiagonally ne-to-sw.
A253374
Number of (n+1)X(7+1) 0..2 arrays with every 2X2 subblock sum nondecreasing horizontally, vertically and antidiagonally ne-to-sw.
Terms
- a(0) =751689a(1) =27587386a(2) =912012350a(3) =8129400162a(4) =90160819133a(5) =395423995297
External references
- oeis: A253374