A114462 - cp's OEIS frontend

A114462 Triangle read by rows: T(n,k) is the number of Dyck paths of semilength n having k ascents of length 2 starting at an even level (0<=k<=floor(n/2)).

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	3
6	6
7	7
8	1
9	18
10	19
11	5
12	54
13	59
14	18
15	1
16	166
17	191
18	65
19	7
20	522
21	631
22	242
23	34
24	1
25	1670
26	2123
27	906
28	154
29	9
30	5418
31	7247
32	3395
33	680
34	55
35	1
36	17786
37	25011
38	12746
39	2932
40	300
41	11
42	58974
43	87071
44	47931
45	12414
46	1540
47	81
48	1
49	197226
50	305275
51	180439
52	51878
53	7552

[1, 1, 1, 1, 2, 3, 6, 7, 1, 18, 19, 5, 54, 59, 18, 1, 166, 191, 65, 7, 522, 631, 242, 34, 1, 1670, 2123, 906, 154, 9, 5418, 7247, 3395, 680, 55, 1, 17786, 25011, 12746, 2932, 300, 11, 58974, 87071, 47931, 12414, 1540, 81, 1, 197226, 305275, 180439, 51878, 7552]

cp's OEIS Frontend

A114462 Triangle read by rows: T(n,k) is the number of Dyck paths of semilength n having k ascents of length 2 starting at an even level (0<=k<=floor(n/2)).

Table of values

List of values