A102404 - cp's OEIS frontend

A102404 Triangle read by rows: T(n,k) is number of Dyck paths of semilength n having k ascents of length 1 starting at an even level.

n	a(n)
0	1
1	0
2	1
3	1
4	0
5	1
6	2
7	2
8	0
9	1
10	5
11	5
12	3
13	0
14	1
15	14
16	14
17	9
18	4
19	0
20	1
21	39
22	46
23	27
24	14
25	5
26	0
27	1
28	114
29	143
30	101
31	44
32	20
33	6
34	0
35	1
36	339
37	466
38	341
39	184
40	65
41	27
42	7
43	0
44	1
45	1028
46	1524
47	1212
48	664
49	300
50	90
51	35
52	8
53	0
54	1
55	3163
56	5043
57	4279
58	2539
59	1145
60	454
61	119
62	44
63	9
64	0
65	1
66	9852
67	16812
68	15206
69	9564
70	4665
71	1819
72	651
73	152
74	54
75	10
76	0
77	1

[1, 0, 1, 1, 0, 1, 2, 2, 0, 1, 5, 5, 3, 0, 1, 14, 14, 9, 4, 0, 1, 39, 46, 27, 14, 5, 0, 1, 114, 143, 101, 44, 20, 6, 0, 1, 339, 466, 341, 184, 65, 27, 7, 0, 1, 1028, 1524, 1212, 664, 300, 90, 35, 8, 0, 1, 3163, 5043, 4279, 2539, 1145, 454, 119, 44, 9, 0, 1, 9852, 16812, 15206, 9564, 4665, 1819, 651, 152, 54, 10, 0, 1]

cp's OEIS Frontend

A102404 Triangle read by rows: T(n,k) is number of Dyck paths of semilength n having k ascents of length 1 starting at an even level.

Table of values

List of values