A091894 - cp's OEIS frontend

A091894 Triangle read by rows: T(n,k) is the number of Dyck paths of semilength n, having k ddu's [here u = (1,1) and d = (1,-1)].

n	a(n)
0	1
1	1
2	2
3	4
4	1
5	8
6	6
7	16
8	24
9	2
10	32
11	80
12	20
13	64
14	240
15	120
16	5
17	128
18	672
19	560
20	70
21	256
22	1792
23	2240
24	560
25	14
26	512
27	4608
28	8064
29	3360
30	252
31	1024
32	11520
33	26880
34	16800
35	2520
36	42
37	2048
38	28160
39	84480
40	73920
41	18480
42	924
43	4096
44	67584
45	253440
46	295680
47	110880
48	11088
49	132

[1, 1, 2, 4, 1, 8, 6, 16, 24, 2, 32, 80, 20, 64, 240, 120, 5, 128, 672, 560, 70, 256, 1792, 2240, 560, 14, 512, 4608, 8064, 3360, 252, 1024, 11520, 26880, 16800, 2520, 42, 2048, 28160, 84480, 73920, 18480, 924, 4096, 67584, 253440, 295680, 110880, 11088, 132]

cp's OEIS Frontend

A091894 Triangle read by rows: T(n,k) is the number of Dyck paths of semilength n, having k ddu's [here u = (1,1) and d = (1,-1)].

Table of values

List of values