Number of 4 X 10 matrices with elements in 0..n with each row and each column in nondecreasing order. 4,10,n can be permuted, see formula.
A140927
Number of 4 X 10 matrices with elements in 0..n with each row and each column in nondecreasing order. 4,10,n can be permuted, see formula.
Terms
- a(0) =1a(1) =1001a(2) =273273a(3) =33157124a(4) =2254684432a(5) =98561919456
External references
- oeis: A140927