A143949 - cp's OEIS frontend

A143949 Triangle read by rows: T(n,k) is the number of n-Dyck paths containing k odd-length descents to ground level (0<=k<=n).

n	a(n)
0	1
1	0
2	1
3	1
4	0
5	1
6	1
7	3
8	0
9	1
10	4
11	4
12	5
13	0
14	1
15	10
16	17
17	7
18	7
19	0
20	1
21	32
22	46
23	34
24	10
25	9
26	0
27	1
28	100
29	155
30	94
31	55
32	13
33	11
34	0
35	1
36	329
37	502
38	335
39	154
40	80
41	16
42	13
43	0
44	1
45	1101
46	1701
47	1110
48	580
49	226
50	109
51	19
52	15
53	0
54	1
55	3761
56	5820
57	3865
58	1960
59	898
60	310
61	142
62	22
63	17
64	0
65	1
66	13035
67	20251

[1, 0, 1, 1, 0, 1, 1, 3, 0, 1, 4, 4, 5, 0, 1, 10, 17, 7, 7, 0, 1, 32, 46, 34, 10, 9, 0, 1, 100, 155, 94, 55, 13, 11, 0, 1, 329, 502, 335, 154, 80, 16, 13, 0, 1, 1101, 1701, 1110, 580, 226, 109, 19, 15, 0, 1, 3761, 5820, 3865, 1960, 898, 310, 142, 22, 17, 0, 1, 13035, 20251]

cp's OEIS Frontend

A143949 Triangle read by rows: T(n,k) is the number of n-Dyck paths containing k odd-length descents to ground level (0<=k<=n).

Table of values

List of values