Number of (0,1)-matrices with sum of entries equal to n, no zero rows or columns, weakly decreasing row and column sums, and the same row sums as column sums.
A321735
Number of (0,1)-matrices with sum of entries equal to n, no zero rows or columns, weakly decreasing row and column sums, and the same row sums as column sums.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =7a(4) =30a(5) =153a(6) =939a(7) =6653a(8) =53743a(9) =486576
External references
- oeis: A321735