A129154 - cp's OEIS frontend

A129154 Triangle read by rows: T(n,k) is the number of skew Dyck paths of semilength n and having k primitive Dyck factors (n >= 0; 0 <= k <= n).

n	a(n)
0	1
1	0
2	1
3	1
4	1
5	1
6	4
7	3
8	2
9	1
10	15
11	11
12	6
13	3
14	1
15	59
16	41
17	22
18	10
19	4
20	1
21	241
22	159
23	84
24	38
25	15
26	5
27	1
28	1011
29	639
30	331
31	150
32	60
33	21
34	6
35	1
36	4326
37	2640
38	1342
39	606
40	246
41	89
42	28
43	7
44	1
45	18797
46	11146
47	5570
48	2500
49	1023
50	380
51	126
52	36
53	8
54	1
55	82685
56	47884
57	23567
58	10503
59	4312
60	1630

[1, 0, 1, 1, 1, 1, 4, 3, 2, 1, 15, 11, 6, 3, 1, 59, 41, 22, 10, 4, 1, 241, 159, 84, 38, 15, 5, 1, 1011, 639, 331, 150, 60, 21, 6, 1, 4326, 2640, 1342, 606, 246, 89, 28, 7, 1, 18797, 11146, 5570, 2500, 1023, 380, 126, 36, 8, 1, 82685, 47884, 23567, 10503, 4312, 1630]

cp's OEIS Frontend

A129154 Triangle read by rows: T(n,k) is the number of skew Dyck paths of semilength n and having k primitive Dyck factors (n >= 0; 0 <= k <= n).

Table of values

List of values