Triangular array read by rows. T(n,k) is the number of n X n Boolean matrices with row rank k, n >= 0, 0 <= k <= n.
A354741
Triangular array read by rows. T(n,k) is the number of n X n Boolean matrices with row rank k, n >= 0, 0 <= k <= n.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =9a(5) =6a(6) =1a(7) =49a(8) =306a(9) =156a(10) =1a(11) =225a(12) =8550a(13) =37488a(14) =19272a(15) =1a(16) =961a(17) =194850a(18) =4811700a(19) =17551800a(20) =10995120
External references
- oeis: A354741