Triangle read by rows: T(n,k) = the number of Dyck paths of semilength n with k UDUU's, 0 <= k <= floor((n-1)/2).
A116424
Triangle read by rows: T(n,k) = the number of Dyck paths of semilength n with k UDUU's, 0 <= k <= floor((n-1)/2).
Terms
- a(0) =1a(1) =1a(2) =2a(3) =4a(4) =1a(5) =9a(6) =5a(7) =22a(8) =19a(9) =1a(10) =57a(11) =66a(12) =9a(13) =154a(14) =221a(15) =53a(16) =1a(17) =429a(18) =729a(19) =258a(20) =14a(21) =1223a(22) =2391a(23) =1131a(24) =116a(25) =1a(26) =3550a(27) =7829a(28) =4652a(29) =745
External references
- oeis: A116424