A122881 - cp's OEIS frontend

A122881 Triangle read by rows: number of Catalan paths of 2n steps of all values less than or equal to m.

n	a(n)
1	1
2	1
3	2
4	1
5	2
6	5
7	1
8	2
9	5
10	13
11	1
12	2
13	5
14	14
15	34
16	1
17	2
18	5
19	14
20	42
21	89
22	1
23	2
24	5
25	14
26	42
27	131
28	233
29	1
30	2
31	5
32	14
33	42
34	132
35	417
36	610
37	1
38	2
39	5
40	14
41	42
42	132
43	429
44	1341
45	1597
46	1
47	2
48	5
49	14
50	42
51	132
52	429
53	1429
54	4334
55	4181

[1, 1, 2, 1, 2, 5, 1, 2, 5, 13, 1, 2, 5, 14, 34, 1, 2, 5, 14, 42, 89, 1, 2, 5, 14, 42, 131, 233, 1, 2, 5, 14, 42, 132, 417, 610, 1, 2, 5, 14, 42, 132, 429, 1341, 1597, 1, 2, 5, 14, 42, 132, 429, 1429, 4334, 4181]

cp's OEIS Frontend

A122881 Triangle read by rows: number of Catalan paths of 2n steps of all values less than or equal to m.

Table of values

List of values