Number of ascents of length at least 2 in all skew Dyck paths of semilength n.
A128752
Number of ascents of length at least 2 in all skew Dyck paths of semilength n.
Terms
- a(0) =0a(1) =0a(2) =2a(3) =9a(4) =41a(5) =189a(6) =880a(7) =4131a(8) =19522a(9) =92763a(10) =442798a(11) =2121795a(12) =10200477a(13) =49176639a(14) =237661176a(15) =1151032005a(16) =5585185425a(17) =27146751885a(18) =132145210270a(19) =644128990155
External references
- oeis: A128752