A121529 - cp's OEIS frontend

A121529 Triangle read by rows: T(n,k) is the number of nondecreasing Dyck paths of semilength n and having k double rises at an odd level (n >= 1, k >= 0).

n	a(n)
1	1
2	1
3	1
4	1
5	4
6	1
7	10
8	2
9	1
10	19
11	14
12	1
13	33
14	50
15	5
16	1
17	55
18	132
19	45
20	1
21	90
22	301
23	205
24	13
25	1
26	146
27	631
28	680
29	139
30	1
31	236
32	1255
33	1892
34	763
35	34
36	1
37	381
38	2409
39	4717
40	3019
41	419
42	1
43	615
44	4509
45	10920
46	9846
47	2677
48	89
49	1
50	993
51	8283
52	23974
53	28292
54	12241
55	1241
56	1
57	1604
58	14998

[1, 1, 1, 1, 4, 1, 10, 2, 1, 19, 14, 1, 33, 50, 5, 1, 55, 132, 45, 1, 90, 301, 205, 13, 1, 146, 631, 680, 139, 1, 236, 1255, 1892, 763, 34, 1, 381, 2409, 4717, 3019, 419, 1, 615, 4509, 10920, 9846, 2677, 89, 1, 993, 8283, 23974, 28292, 12241, 1241, 1, 1604, 14998]

cp's OEIS Frontend

A121529 Triangle read by rows: T(n,k) is the number of nondecreasing Dyck paths of semilength n and having k double rises at an odd level (n >= 1, k >= 0).

Table of values

List of values