57366997447
domain: N
Appears in sequences
- Number of {0,1} n X n matrices with no zero rows or columns.at n=6A048291
- Triangle read by rows: T(n,m) = number of n X m binary matrices with no zero rows or columns (n >= 1, 1 <= m <= n).at n=20A183109
- Triangle read by rows: T(n,k) = number of n X n (0,1) matrices with at most k 1's in each row or column.at n=19A283500