A166299 - cp's OEIS frontend

A166299 Triangle read by rows: T(n,k) is the number of Dyck paths of semilength n, having no ascents and no descents of length 1, and having k UUDD's starting at level 0.

n	a(n)
0	1
1	0
2	0
3	1
4	1
5	0
6	1
7	0
8	1
9	2
10	2
11	0
12	5
13	2
14	0
15	1
16	10
17	4
18	3
19	0
20	22
21	11
22	3
23	0
24	1
25	50
26	22
27	6
28	4
29	0
30	113
31	49
32	18
33	4
34	0
35	1
36	260
37	114
38	36
39	8
40	5
41	0
42	605
43	260
44	81
45	26
46	5
47	0
48	1
49	1418
50	604
51	193
52	52
53	10
54	6
55	0
56	3350
57	1419
58	444
59	118
60	35
61	6
62	0
63	1
64	7967
65	3350
66	1041
67	288
68	70
69	12
70	7
71	0
72	19055
73	7966

[1, 0, 0, 1, 1, 0, 1, 0, 1, 2, 2, 0, 5, 2, 0, 1, 10, 4, 3, 0, 22, 11, 3, 0, 1, 50, 22, 6, 4, 0, 113, 49, 18, 4, 0, 1, 260, 114, 36, 8, 5, 0, 605, 260, 81, 26, 5, 0, 1, 1418, 604, 193, 52, 10, 6, 0, 3350, 1419, 444, 118, 35, 6, 0, 1, 7967, 3350, 1041, 288, 70, 12, 7, 0, 19055, 7966]

cp's OEIS Frontend

A166299 Triangle read by rows: T(n,k) is the number of Dyck paths of semilength n, having no ascents and no descents of length 1, and having k UUDD's starting at level 0.

Table of values

List of values