A091867 - cp's OEIS frontend

A091867 Triangle read by rows: T(n,k) = number of Dyck paths of semilength n having k peaks at odd height.

n	a(n)
0	1
1	0
2	1
3	1
4	0
5	1
6	1
7	3
8	0
9	1
10	3
11	4
12	6
13	0
14	1
15	6
16	15
17	10
18	10
19	0
20	1
21	15
22	36
23	45
24	20
25	15
26	0
27	1
28	36
29	105
30	126
31	105
32	35
33	21
34	0
35	1
36	91
37	288
38	420
39	336
40	210
41	56
42	28
43	0
44	1
45	232
46	819
47	1296
48	1260
49	756
50	378
51	84
52	36
53	0
54	1
55	603
56	2320
57	4095
58	4320
59	3150
60	1512
61	630
62	120
63	45
64	0
65	1
66	1585
67	6633
68	12760
69	15015
70	11880
71	6930
72	2772
73	990
74	165
75	55
76	0
77	1

[1, 0, 1, 1, 0, 1, 1, 3, 0, 1, 3, 4, 6, 0, 1, 6, 15, 10, 10, 0, 1, 15, 36, 45, 20, 15, 0, 1, 36, 105, 126, 105, 35, 21, 0, 1, 91, 288, 420, 336, 210, 56, 28, 0, 1, 232, 819, 1296, 1260, 756, 378, 84, 36, 0, 1, 603, 2320, 4095, 4320, 3150, 1512, 630, 120, 45, 0, 1, 1585, 6633, 12760, 15015, 11880, 6930, 2772, 990, 165, 55, 0, 1]

cp's OEIS Frontend

A091867 Triangle read by rows: T(n,k) = number of Dyck paths of semilength n having k peaks at odd height.

Table of values

List of values