38778082

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, with rows in lexicographically nondecreasing order.at n=2A222158
• 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, with rows in lexicographically nondecreasing order.at n=30A222159