Number of 4Xn 0..n-1 arrays with no column j greater than or equal to than column j-1 in all rows.
A212946
Number of 4Xn 0..n-1 arrays with no column j greater than or equal to than column j-1 in all rows.
Terms
- a(0) =1a(1) =175a(2) =331489a(3) =2509306671
External references
- oeis: A212946