A246226 Number of permutations of [n] with exactly six (possibly overlapping) occurrences of the consecutive step pattern given by the binary expansion of n, where 1=up and 0=down.
2340699, 0, 0, 0, 0, 0, 264152543774143518, 12327936260780536, 0, 0, 0, 0, 672873380447205487461117, 0, 340824919595050237301116, 0, 5490319613423481676641190699, 0, 10557477888680231517368491, 44567941059064479980820469827072, 21711236330372841724318248158224
Offset: 15
Keywords
Links
- Alois P. Heinz, Table of n, a(n) for n = 15..130
Crossrefs
Column k=6 of A242783.