Number of arrangements of 1,2,..,n*n in an n X n matrix such that each row is increasing or decreasing.
A062716
Number of arrangements of 1,2,..,n*n in an n X n matrix such that each row is increasing or decreasing.
Terms
- a(0) =1a(1) =2a(2) =24a(3) =13440a(4) =1009008000
External references
- oeis: A062716