Number of peaks at height >1 in all skew Dyck paths of semilength n.
A128748
Number of peaks at height >1 in all skew Dyck paths of semilength n.
Terms
- a(0) =0a(1) =2a(2) =11a(3) =54a(4) =260a(5) =1247a(6) =5982a(7) =28741a(8) =138364a(9) =667488a(10) =3226503a(11) =15625476a(12) =75802578a(13) =368316888a(14) =1792203759a(15) =8732274312a(16) =42598366616a(17) =208036945958
External references
- oeis: A128748