Number of multisets that occurring as the peak heights multiset of a Dyck n-path that are the also the peak heights multiset of a smaller Dyck path.

A208740

Number of multisets that occurring as the peak heights multiset of a Dyck n-path that are the also the peak heights multiset of a smaller Dyck path.

Terms

    a(0) =0a(1) =0a(2) =0a(3) =1a(4) =4a(5) =13a(6) =34a(7) =83a(8) =189a(9) =415a(10) =885a(11) =1853a(12) =3824a(13) =7819a(14) =15876a(15) =32084a(16) =64621a(17) =129860a(18) =260547a(19) =522201a(20) =1045862a(21) =2093646a(22) =4189796a(23) =8382845a(24) =16769878a(25) =33545136a(26) =67097132a(27) =134202986a(28) =268416996a(29) =536847887

External references