A129157 - cp's OEIS frontend

A129157 Triangle read by rows: T(n,k) is the number of skew Dyck paths of semilength n and having k primitive non-Dyck factors (n>=0; 0<=k<=floor((n+1)/3)).

n	a(n)
0	1
1	1
2	2
3	1
4	5
5	5
6	14
7	22
8	42
9	94
10	1
11	132
12	400
13	11
14	429
15	1709
16	81
17	1430
18	7351
19	503
20	1
21	4862
22	31857
23	2851
24	17
25	16796
26	139100
27	15297
28	176
29	58786
30	611781
31	79228
32	1440
33	1
34	208012
35	2709230
36	400694
37	10259
38	23
39	742900
40	12075248
41	1993226
42	66774
43	307
44	2674440

[1, 1, 2, 1, 5, 5, 14, 22, 42, 94, 1, 132, 400, 11, 429, 1709, 81, 1430, 7351, 503, 1, 4862, 31857, 2851, 17, 16796, 139100, 15297, 176, 58786, 611781, 79228, 1440, 1, 208012, 2709230, 400694, 10259, 23, 742900, 12075248, 1993226, 66774, 307, 2674440]

cp's OEIS Frontend

A129157 Triangle read by rows: T(n,k) is the number of skew Dyck paths of semilength n and having k primitive non-Dyck factors (n>=0; 0<=k<=floor((n+1)/3)).

Table of values

List of values