A128719 - cp's OEIS frontend

A128719 Triangle read by rows: T(n,k) is the number of skew Dyck paths of semilength n and having k UUU's (triplerises) (n >= 0; 0 <= k <= n-2 for n >= 2).

n	a(n)
0	1
1	1
2	3
3	6
4	4
5	16
6	12
7	8
8	40
9	53
10	28
11	16
12	109
13	176
14	162
15	64
16	32
17	297
18	625
19	633
20	456
21	144
22	64
23	836
24	2084
25	2677
26	2024
27	1216
28	320
29	128
30	2377
31	7016
32	10257
33	9849
34	6008
35	3120
36	704
37	256
38	6869
39	23218
40	39378
41	42222
42	32930
43	16928
44	7776
45	1536
46	512
47	20042
48	76811
49	146191

[1, 1, 3, 6, 4, 16, 12, 8, 40, 53, 28, 16, 109, 176, 162, 64, 32, 297, 625, 633, 456, 144, 64, 836, 2084, 2677, 2024, 1216, 320, 128, 2377, 7016, 10257, 9849, 6008, 3120, 704, 256, 6869, 23218, 39378, 42222, 32930, 16928, 7776, 1536, 512, 20042, 76811, 146191]

cp's OEIS Frontend

A128719 Triangle read by rows: T(n,k) is the number of skew Dyck paths of semilength n and having k UUU's (triplerises) (n >= 0; 0 <= k <= n-2 for n >= 2).

Table of values

List of values