A112307 - cp's OEIS frontend

A112307 Triangle read by rows: T(n,k) is number of Dyck paths of semilength n with height of second peak equal to k (n>=1; 0<=k<=n-1).

n	a(n)
1	1
2	1
3	1
4	1
5	2
6	2
7	1
8	4
9	6
10	3
11	1
12	9
13	16
14	12
15	4
16	1
17	23
18	44
19	39
20	20
21	5
22	1
23	65
24	128
25	123
26	76
27	30
28	6
29	1
30	197
31	392
32	393
33	268
34	130
35	42
36	7
37	1
38	626
39	1250
40	1284
41	928
42	505
43	204
44	56
45	8
46	1
47	2056
48	4110
49	4287
50	3216
51	1880
52	864
53	301
54	72
55	9
56	1
57	6918
58	13834
59	14583
60	11224
61	6885
62	3438
63	1379

[1, 1, 1, 1, 2, 2, 1, 4, 6, 3, 1, 9, 16, 12, 4, 1, 23, 44, 39, 20, 5, 1, 65, 128, 123, 76, 30, 6, 1, 197, 392, 393, 268, 130, 42, 7, 1, 626, 1250, 1284, 928, 505, 204, 56, 8, 1, 2056, 4110, 4287, 3216, 1880, 864, 301, 72, 9, 1, 6918, 13834, 14583, 11224, 6885, 3438, 1379]

cp's OEIS Frontend

A112307 Triangle read by rows: T(n,k) is number of Dyck paths of semilength n with height of second peak equal to k (n>=1; 0<=k<=n-1).

Table of values

List of values