Triangle (0 <= k <= n) read by rows: T(n, k) is the number of Schröder paths from (0,0) to (2n,0) having k peaks.
A060693
Triangle (0 <= k <= n) read by rows: T(n, k) is the number of Schröder paths from (0,0) to (2n,0) having k peaks.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =2a(4) =3a(5) =1a(6) =5a(7) =10a(8) =6a(9) =1a(10) =14a(11) =35a(12) =30a(13) =10a(14) =1a(15) =42a(16) =126a(17) =140a(18) =70a(19) =15a(20) =1a(21) =132a(22) =462a(23) =630a(24) =420a(25) =140a(26) =21a(27) =1a(28) =429a(29) =1716
External references
- oeis: A060693