355751

Appears in sequences

• Number T(n,k) of permutations p of [n] such that the up-down signature of p has nonnegative partial sums with a maximal value of k; triangle T(n,k), n>=0, 0<=k<=n, read by rows.at n=58A262125
• Number of permutations p of [n] such that the up-down signature of p has nonnegative partial sums with a maximal value of three.at n=7A320977