Number of symmetrically unique Dyck paths of semilength 2n and height n.
A291885
Number of symmetrically unique Dyck paths of semilength 2n and height n.
Terms
- a(0) =1a(1) =1a(2) =5a(3) =31a(4) =252a(5) =2117a(6) =18546a(7) =164229a(8) =1469596a(9) =13229876a(10) =119712521a(11) =1087573357a(12) =9914033252a(13) =90633332870a(14) =830621140260
External references
- oeis: A291885