A341445 - cp's OEIS frontend

A341445 Triangle read by rows: T(n,k) is the number of Dyck paths of semilength n having degree of symmetry k (n >= 1, 1 <= k <= n).

n	a(n)
1	1
2	0
3	2
4	2
5	0
6	3
7	2
8	6
9	0
10	6
11	8
12	8
13	16
14	0
15	10
16	16
17	32
18	24
19	40
20	0
21	20
22	52
23	84
24	108
25	60
26	90
27	0
28	35
29	134
30	262
31	294
32	310
33	150
34	210
35	0
36	70
37	432
38	816
39	1008
40	880
41	816
42	336
43	448
44	0
45	126
46	1248
47	2544
48	3192
49	3208
50	2460
51	2100
52	784
53	1008
54	0
55	252

[1, 0, 2, 2, 0, 3, 2, 6, 0, 6, 8, 8, 16, 0, 10, 16, 32, 24, 40, 0, 20, 52, 84, 108, 60, 90, 0, 35, 134, 262, 294, 310, 150, 210, 0, 70, 432, 816, 1008, 880, 816, 336, 448, 0, 126, 1248, 2544, 3192, 3208, 2460, 2100, 784, 1008, 0, 252]

cp's OEIS Frontend

A341445 Triangle read by rows: T(n,k) is the number of Dyck paths of semilength n having degree of symmetry k (n >= 1, 1 <= k <= n).

Table of values

List of values