Number of non-overlapping permutations of length n. A permutation is non-overlapping (sometimes called minimally overlapping) if the shortest permutation containing two occurrences of it as a consecutive pattern has length 2n-1.

A263867

Number of non-overlapping permutations of length n. A permutation is non-overlapping (sometimes called minimally overlapping) if the shortest permutation containing two occurrences of it as a consecutive pattern has length 2n-1.