Number of 3 X 10 matrices with elements in 0..n with each row and each column in nondecreasing order. 3,10,n can be permuted, see formula.
A140926
Number of 3 X 10 matrices with elements in 0..n with each row and each column in nondecreasing order. 3,10,n can be permuted, see formula.
Terms
- a(0) =1a(1) =286a(2) =26026a(3) =1184183a(4) =33157124a(5) =644195552a(6) =9386849472a(7) =108284013552
External references
- oeis: A140926