1227685

Appears in sequences

• Number of nX5 arrays with each row a permutation of 1..5 having at least as many downsteps as the preceding row, with rows in lexicographically nonincreasing order.at n=3A222003
• 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 nonincreasing order.at n=31A222005