Number of nonnegative integer matrices with sum of entries equal to n, no zero rows or columns, and distinct rows (or distinct columns).
A321586
Number of nonnegative integer matrices with sum of entries equal to n, no zero rows or columns, and distinct rows (or distinct columns).
Terms
- a(0) =1a(1) =1a(2) =4a(3) =26a(4) =204a(5) =1992a(6) =23336a(7) =318080a(8) =4948552a(9) =86550424a(10) =1681106080a(11) =35904872576a(12) =836339613984
External references
- oeis: A321586