Number of nonnegative integer matrices with sum of entries equal to n and no zero rows or columns, with distinct row sums and distinct column sums.
A321654
Number of nonnegative integer matrices with sum of entries equal to n and no zero rows or columns, with distinct row sums and distinct column sums.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =13a(4) =13a(5) =45a(6) =681a(7) =885a(8) =2805a(9) =8301a(10) =237213
External references
- oeis: A321654