Triangle read by rows: T(n,k) is the number of Schroeder paths of length 2n and having k horizontal segments (a horizontal segment is a maximal string of horizontal steps).
A104549
Triangle read by rows: T(n,k) is the number of Schroeder paths of length 2n and having k horizontal segments (a horizontal segment is a maximal string of horizontal steps).
Terms
- a(0) =1a(1) =1a(2) =1a(3) =2a(4) =4a(5) =5a(6) =14a(7) =3a(8) =14a(9) =49a(10) =26a(11) =1a(12) =42a(13) =175a(14) =154a(15) =23a(16) =132a(17) =637a(18) =786a(19) =241a(20) =10a(21) =429a(22) =2353a(23) =3728a(24) =1831a(25) =215a(26) =2a(27) =1430a(28) =8788a(29) =16966
External references
- oeis: A104549