A135306 - cp's OEIS frontend

A135306 Triangle read by rows: T(n,k) = the number of Dyck paths of semilength n with k UDDU's.

n	a(n)
0	1
1	1
2	2
3	4
4	1
5	9
6	5
7	23
8	17
9	2
10	63
11	54
12	15
13	178
14	177
15	69
16	5
17	514
18	594
19	273
20	49
21	1515
22	1997
23	1056
24	280
25	14
26	4545
27	6698
28	4077
29	1308
30	168
31	13827
32	22487
33	15545
34	5745
35	1140
36	42
37	42540
38	75701
39	58377
40	24695
41	6105
42	594
43	132124
44	255455
45	216864
46	103862
47	29810

[1, 1, 2, 4, 1, 9, 5, 23, 17, 2, 63, 54, 15, 178, 177, 69, 5, 514, 594, 273, 49, 1515, 1997, 1056, 280, 14, 4545, 6698, 4077, 1308, 168, 13827, 22487, 15545, 5745, 1140, 42, 42540, 75701, 58377, 24695, 6105, 594, 132124, 255455, 216864, 103862, 29810]

cp's OEIS Frontend

A135306 Triangle read by rows: T(n,k) = the number of Dyck paths of semilength n with k UDDU's.

Table of values

List of values