Number of symmetrically unique Dyck paths of semilength n and height six.

A291890

Number of symmetrically unique Dyck paths of semilength n and height six.

Terms

    a(0) =1a(1) =6a(2) =41a(3) =209a(4) =1005a(5) =4411a(6) =18546a(7) =74854a(8) =294293a(9) =1131635a(10) =4280686a(11) =15974526a(12) =58974616a(13) =215772740a(14) =783598381a(15) =2827768273a(16) =10149744903a(17) =36261522803a(18) =129027358151a(19) =457486923079

External references