Triangle read by rows: T(n,k) is the number of dispersed Dyck paths of length n having k UDU's, where U = (1,1) and D = (1,-1).

A191316

Triangle read by rows: T(n,k) is the number of dispersed Dyck paths of length n having k UDU's, where U = (1,1) and D = (1,-1).

Terms

    a(0) =1a(1) =1a(2) =2a(3) =3a(4) =5a(5) =1a(6) =8a(7) =2a(8) =14a(9) =5a(10) =1a(11) =23a(12) =10a(13) =2a(14) =40a(15) =23a(16) =6a(17) =1a(18) =67a(19) =44a(20) =13a(21) =2a(22) =117a(23) =92a(24) =35a(25) =7a(26) =1a(27) =198a(28) =174a(29) =72

External references