A128749 - cp's OEIS frontend

A128749 Triangle read by rows: T(n,k) is the number of skew Dyck paths of semilength n having k ascents of length 1.

n	a(n)
0	1
1	0
2	1
3	2
4	0
5	1
6	4
7	5
8	0
9	1
10	14
11	12
12	9
13	0
14	1
15	44
16	53
17	25
18	14
19	0
20	1
21	150
22	196
23	132
24	44
25	20
26	0
27	1
28	520
29	777
30	555
31	269
32	70
33	27
34	0
35	1
36	1850
37	3064
38	2486
39	1260
40	485
41	104
42	35
43	0
44	1
45	6696
46	12233
47	10902
48	6264
49	2496
50	804
51	147
52	44
53	0
54	1
55	24602
56	49096
57	47955
58	30108
59	13600

[1, 0, 1, 2, 0, 1, 4, 5, 0, 1, 14, 12, 9, 0, 1, 44, 53, 25, 14, 0, 1, 150, 196, 132, 44, 20, 0, 1, 520, 777, 555, 269, 70, 27, 0, 1, 1850, 3064, 2486, 1260, 485, 104, 35, 0, 1, 6696, 12233, 10902, 6264, 2496, 804, 147, 44, 0, 1, 24602, 49096, 47955, 30108, 13600]

cp's OEIS Frontend

A128749 Triangle read by rows: T(n,k) is the number of skew Dyck paths of semilength n having k ascents of length 1.

Table of values

List of values