Number of Dyck paths of semi-length n for which the set of ascent lengths and the set of descent lengths are the same partition of n
1, 1, 2, 5, 12, 30, 80, 219, 614, 1766, 5206, 15646, 47834, 148602, 468110, 1492841
1 seqfan posts
Sun Jan 9 02:35:07 CET 2011 [seqfan] Dyck paths with descents restricted by ascents