2854894485

Appears in sequences

• Number of permutations of 1..n avoiding adjacent step pattern up, down, up, up.at n=13A177521
• Number T(n,k) of permutations of [n] with exactly k (possibly overlapping) occurrences of the consecutive step pattern given by the binary expansion of n, where 1=up and 0=down; triangle T(n,k), n>=0, read by rows.at n=32A242783
• Number of permutations of [n] avoiding the consecutive step pattern given by the binary expansion of n, where 1=up and 0=down.at n=13A242785