60269056512
domain: N
Appears in sequences
- Number of permutations of 1..n avoiding adjacent step pattern up, down, down, down.at n=13A177518
- 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=14A242785
- Number T(n,k) of permutations of [n] with exactly k occurrences of the consecutive step pattern up, down, down, down; triangle T(n,k), n>=0, 0<=k<=max(0,floor((n-1)/4)), read by rows.at n=29A242820