Triangle read by rows: T(n,k) is the number of Dyck paths of semilength n having k peaks of maximum height (1 <= k <= n).
A152879
Triangle read by rows: T(n,k) is the number of Dyck paths of semilength n having k peaks of maximum height (1 <= k <= n).
Terms
- a(0) =1a(1) =1a(2) =1a(3) =3a(4) =1a(5) =1a(6) =8a(7) =4a(8) =1a(9) =1a(10) =23a(11) =12a(12) =5a(13) =1a(14) =1a(15) =71a(16) =36a(17) =17a(18) =6a(19) =1a(20) =1a(21) =229a(22) =114a(23) =54a(24) =23a(25) =7a(26) =1a(27) =1a(28) =759a(29) =377
External references
- oeis: A152879