Number of (n+1)X(7+1) 0..2 arrays with nondecreasing x(i,j)+x(i,j-1) in the i direction and nondecreasing min(x(i,j),x(i-1,j)) in the j direction.
A250631
Number of (n+1)X(7+1) 0..2 arrays with nondecreasing x(i,j)+x(i,j-1) in the i direction and nondecreasing min(x(i,j),x(i-1,j)) in the j direction.
Terms
- a(0) =101308a(1) =720347a(2) =3951204a(3) =18465586a(4) =75537881a(5) =280151655a(6) =955747123a(7) =3044656152a(8) =9115002626a(9) =25819633391a(10) =69479042412a(11) =178359097164a(12) =438217013076
External references
- oeis: A250631