Number of 6 X 7 matrices with elements in 0..n with each row and each column in nondecreasing order. 6,7,n can be permuted, see formula.
A140910
Number of 6 X 7 matrices with elements in 0..n with each row and each column in nondecreasing order. 6,7,n can be permuted, see formula.
Terms
- a(0) =1a(1) =1716a(2) =736164a(3) =131589315a(4) =12544848030a(5) =739309710568
External references
- oeis: A140910