A138155 - cp's OEIS frontend

A138155 Triangle read by rows: T(n,k) is the number of Dyck paths with nondecreasing peaks having semilength n and with height of last peak equal to k (1 <= k <= n).

n	a(n)
1	1
2	1
3	1
4	1
5	2
6	1
7	1
8	4
9	3
10	1
11	1
12	7
13	8
14	4
15	1
16	1
17	12
18	19
19	13
20	5
21	1
22	1
23	20
24	42
25	37
26	19
27	6
28	1
29	1
30	33
31	89
32	97
33	62
34	26
35	7
36	1
37	1
38	54
39	183
40	240
41	184
42	95
43	34
44	8
45	1
46	1
47	88
48	368
49	570
50	511
51	312
52	137
53	43
54	9
55	1
56	1
57	143
58	728
59	1312
60	1351
61	951
62	491
63	189
64	53
65	10
66	1

[1, 1, 1, 1, 2, 1, 1, 4, 3, 1, 1, 7, 8, 4, 1, 1, 12, 19, 13, 5, 1, 1, 20, 42, 37, 19, 6, 1, 1, 33, 89, 97, 62, 26, 7, 1, 1, 54, 183, 240, 184, 95, 34, 8, 1, 1, 88, 368, 570, 511, 312, 137, 43, 9, 1, 1, 143, 728, 1312, 1351, 951, 491, 189, 53, 10, 1]

cp's OEIS Frontend

A138155 Triangle read by rows: T(n,k) is the number of Dyck paths with nondecreasing peaks having semilength n and with height of last peak equal to k (1 <= k <= n).

Table of values

List of values