Number of n X n 0..5 arrays with every row and column nondecreasing rightwards and downwards, and the number of instances of each value within one of each other.
A201135
Number of n X n 0..5 arrays with every row and column nondecreasing rightwards and downwards, and the number of instances of each value within one of each other.
Terms
- a(0) =6a(1) =30a(2) =402a(3) =7642a(4) =129244a(5) =1268728a(6) =543067656a(7) =126701693572
External references
- oeis: A201135