A143950 - cp's OEIS frontend

A143950 Triangle read by rows: T(n,k) is the number of Dyck n-paths containing k even-length ascents (0 <= k <= floor(n/2)).

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	3
6	5
7	7
8	2
9	12
10	20
11	10
12	30
13	61
14	36
15	5
16	79
17	182
18	133
19	35
20	213
21	547
22	488
23	168
24	14
25	584
26	1668
27	1728
28	756
29	126
30	1628
31	5116
32	6020
33	3240
34	750
35	42
36	4600
37	15752
38	20812
39	13200
40	3960
41	462
42	13138
43	48709
44	71376
45	52030
46	19360
47	3267
48	132
49	37871
50	151164

[1, 1, 1, 1, 2, 3, 5, 7, 2, 12, 20, 10, 30, 61, 36, 5, 79, 182, 133, 35, 213, 547, 488, 168, 14, 584, 1668, 1728, 756, 126, 1628, 5116, 6020, 3240, 750, 42, 4600, 15752, 20812, 13200, 3960, 462, 13138, 48709, 71376, 52030, 19360, 3267, 132, 37871, 151164]

cp's OEIS Frontend

A143950 Triangle read by rows: T(n,k) is the number of Dyck n-paths containing k even-length ascents (0 <= k <= floor(n/2)).

Table of values

List of values