Number of 8 X 9 matrices with elements in 0..n with each row and each column in nondecreasing order. 8,9,n can be permuted, see formula.
A140923
Number of 8 X 9 matrices with elements in 0..n with each row and each column in nondecreasing order. 8,9,n can be permuted, see formula.
Terms
- a(0) =1a(1) =24310a(2) =118195220a(3) =198520691512
External references
- oeis: A140923