A114489 - cp's OEIS frontend

A114489 Triangle read by rows: T(n,k) is the number of Dyck paths of semilength n that have k valleys at level 1.

n	a(n)
0	1
1	1
2	2
3	4
4	1
5	9
6	4
7	1
8	22
9	14
10	5
11	1
12	58
13	46
14	21
15	6
16	1
17	163
18	149
19	80
20	29
21	7
22	1
23	483
24	484
25	292
26	124
27	38
28	8
29	1
30	1494
31	1589
32	1044
33	498
34	179
35	48
36	9
37	1
38	4783
39	5288
40	3701
41	1928
42	780
43	246
44	59
45	10
46	1
47	15740
48	17848
49	13096
50	7304
51	3237
52	1152
53	326
54	71
55	11
56	1
57	52956
58	61060
59	46428

[1, 1, 2, 4, 1, 9, 4, 1, 22, 14, 5, 1, 58, 46, 21, 6, 1, 163, 149, 80, 29, 7, 1, 483, 484, 292, 124, 38, 8, 1, 1494, 1589, 1044, 498, 179, 48, 9, 1, 4783, 5288, 3701, 1928, 780, 246, 59, 10, 1, 15740, 17848, 13096, 7304, 3237, 1152, 326, 71, 11, 1, 52956, 61060, 46428]

cp's OEIS Frontend

A114489 Triangle read by rows: T(n,k) is the number of Dyck paths of semilength n that have k valleys at level 1.

Table of values

List of values