236388

Appears in sequences

• The number of permutations p of {1,...,n} such that |p(i)-p(i+1)| is in {1,2,3,4,5} for all i from 1 to n-1.at n=9A174702
• Number of permutations p of {1,...,n} such that |p(i+1)-p(i)| < k, k=2,...,n; T(n,k), read by rows.at n=40A249631