57614883627
domain: N
Appears in sequences
- Number of nX6 arrays with each row a permutation of 1..6 having at least as many downsteps as the preceding row.at n=3A221621
- T(n,k)=Number of nXk arrays with each row a permutation of 1..k having at least as many downsteps as the preceding row.at n=39A221623
- Number of 4Xn arrays with each row a permutation of 1..n having at least as many downsteps as the preceding row.at n=5A221626