A191795 - cp's OEIS frontend

A191795 Triangle read by rows: T(n,k) is the number of length n left factors of Dyck paths having k DUU'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	7
7	3
8	11
9	9
10	15
11	19
12	1
13	23
14	42
15	5
16	31
17	77
18	18
19	47
20	150
21	54
22	1
23	63
24	255
25	137
26	7
27	95
28	464
29	333
30	32
31	127
32	753
33	720
34	115
35	1
36	191
37	1314
38	1558
39	360
40	9
41	255
42	2067
43	3067
44	996
45	50
46	383
47	3508
48	6167
49	2597
50	214
51	1
52	511
53	5397
54	11410
55	6207
56	774
57	11
58	767
59	8982
60	21820
61	14485
62	2494
63	72

[1, 1, 2, 3, 5, 1, 7, 3, 11, 9, 15, 19, 1, 23, 42, 5, 31, 77, 18, 47, 150, 54, 1, 63, 255, 137, 7, 95, 464, 333, 32, 127, 753, 720, 115, 1, 191, 1314, 1558, 360, 9, 255, 2067, 3067, 996, 50, 383, 3508, 6167, 2597, 214, 1, 511, 5397, 11410, 6207, 774, 11, 767, 8982, 21820, 14485, 2494, 72]

cp's OEIS Frontend

A191795 Triangle read by rows: T(n,k) is the number of length n left factors of Dyck paths having k DUU's, where U=(1,1) and D=(1,-1).

Table of values

List of values