Number of n X n 0..5 arrays with rows in lexicographically nondecreasing order and columns in nonincreasing order.
A229773
Number of n X n 0..5 arrays with rows in lexicographically nondecreasing order and columns in nonincreasing order.
Terms
- a(0) =6a(1) =266a(2) =103222a(3) =637396928
External references
- oeis: A229773