Number of (n+1) X (7+1) 0..3 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.
A250852
Number of (n+1) X (7+1) 0..3 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) =27225a(1) =198297a(2) =1195457a(3) =6279401a(4) =30214465a(5) =137379337a(6) =601566177a(7) =2567402601a(8) =10763029505a(9) =44552408777a(10) =182750596897a(11) =744705474601
External references
- oeis: A250852