a(n) = k if the last Dyck path that is counted in A279286(n) is the k-th Dyck path.

Terms

a(0) =1a(1) =3a(2) =11a(3) =23a(4) =76a(5) =149a(6) =431a(7) =539a(8) =659a(9) =1343a(10) =2678a(11) =2939a(12) =6524a(13) =6929a(14) =8414a(15) =8873a(16) =10027a(17) =25367a(18) =27299a(19) =87073a(20) =113071a(21) =122875a(22) =178595a(23) =185534a(24) =599237a(25) =1308195a(26) =1888172a(27) =4803699