A135331 - cp's OEIS frontend

A135331 Triangle read by rows: T(n,k) is the number of Dyck paths of semilength n having k DUUU's starting at level 1.

n	a(n)
0	1
1	1
2	2
3	5
4	13
5	1
6	36
7	6
8	105
9	27
10	320
11	108
12	1
13	1011
14	409
15	10
16	3289
17	1508
18	65
19	10957
20	5491
21	347
22	1
23	37216
24	19898
25	1658
26	14
27	128435
28	72063
29	7395
30	119
31	449142
32	261436
33	31527
34	794
35	1
36	1588228
37	951258
38	130353
39	4583
40	18

[1, 1, 2, 5, 13, 1, 36, 6, 105, 27, 320, 108, 1, 1011, 409, 10, 3289, 1508, 65, 10957, 5491, 347, 1, 37216, 19898, 1658, 14, 128435, 72063, 7395, 119, 449142, 261436, 31527, 794, 1, 1588228, 951258, 130353, 4583, 18]

cp's OEIS Frontend

A135331 Triangle read by rows: T(n,k) is the number of Dyck paths of semilength n having k DUUU's starting at level 1.

Table of values

List of values