A191793 - cp's OEIS frontend

A191793 Triangle read by rows: T(n,k) is the number of length n left factors of Dyck paths having k UUDD's, where U=(1,1) and D=(1,-1).

n	a(n)
0	1
1	1
2	2
3	3
4	5
5	1
6	8
7	2
8	14
9	6
10	23
11	12
12	41
13	28
14	1
15	69
16	54
17	3
18	124
19	116
20	12
21	212
22	220
23	30
24	383
25	453
26	87
27	1
28	662
29	852
30	198
31	4
32	1200
33	1712
34	500
35	20
36	2091
37	3204
38	1080
39	60
40	3799
41	6338
42	2526
43	206
44	1
45	6661
46	11824
47	5280
48	540
49	5
50	12122
51	23136
52	11772
53	1560
54	30
55	21359
56	43068
57	24066
58	3780
59	105

[1, 1, 2, 3, 5, 1, 8, 2, 14, 6, 23, 12, 41, 28, 1, 69, 54, 3, 124, 116, 12, 212, 220, 30, 383, 453, 87, 1, 662, 852, 198, 4, 1200, 1712, 500, 20, 2091, 3204, 1080, 60, 3799, 6338, 2526, 206, 1, 6661, 11824, 5280, 540, 5, 12122, 23136, 11772, 1560, 30, 21359, 43068, 24066, 3780, 105]

cp's OEIS Frontend

A191793 Triangle read by rows: T(n,k) is the number of length n left factors of Dyck paths having k UUDD's, where U=(1,1) and D=(1,-1).

Table of values

List of values