A167634 - cp's OEIS frontend

A167634 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 peaks at odd level.

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	2
6	0
7	0
8	3
9	1
10	5
11	2
12	1
13	1
14	10
15	5
16	1
17	14
18	12
19	9
20	2
21	7
22	38
23	27
24	9
25	1
26	43
27	60
28	57
29	22
30	3
31	36
32	156
33	146
34	69
35	15
36	1
37	143
38	284
39	326
40	176
41	45
42	4
43	166
44	672
45	784
46	482
47	155
48	23
49	1
50	509
51	1320
52	1780
53	1224
54	453
55	82
56	5
57	731
58	2981
59	4162
60	3160
61	1354
62	313
63	33
64	1
65	1915
66	6104

[1, 0, 1, 0, 1, 2, 0, 0, 3, 1, 5, 2, 1, 1, 10, 5, 1, 14, 12, 9, 2, 7, 38, 27, 9, 1, 43, 60, 57, 22, 3, 36, 156, 146, 69, 15, 1, 143, 284, 326, 176, 45, 4, 166, 672, 784, 482, 155, 23, 1, 509, 1320, 1780, 1224, 453, 82, 5, 731, 2981, 4162, 3160, 1354, 313, 33, 1, 1915, 6104]

cp's OEIS Frontend

A167634 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 peaks at odd level.

Table of values

List of values