1314149

Properties

Appears in sequences

• Number of permutations of [n] with exactly one occurrence of the consecutive step pattern up, down, up.at n=10A227883
• Number T(n,k) of permutations of [n] with exactly k (possibly overlapping) occurrences of the consecutive step pattern up, down, up; triangle T(n,k), n>=0, 0<=k<=max(0,floor(n/2)-1), read by rows.at n=23A227884
• Prime numbersat n=101024