A369321 - cp's OEIS frontend

A369321 T(n,k) is the number of length-n weak ascent sequences (prefixed with a zero) with k weak ascents, triangle read by rows.

n	a(n)
0	1
1	0
2	1
3	0
4	0
5	2
6	0
7	0
8	1
9	5
10	0
11	0
12	0
13	9
14	14
15	0
16	0
17	0
18	5
19	59
20	42
21	0
22	0
23	0
24	1
25	92
26	342
27	132
28	0
29	0
30	0
31	0
32	75
33	1073
34	1863
35	429
36	0
37	0
38	0
39	0
40	35
41	1882
42	10145
43	9794
44	1430
45	0
46	0
47	0
48	0
49	9
50	2131
51	31345
52	84977
53	50380
54	4862
55	0
56	0
57	0
58	0
59	1
60	1661
61	64395
62	417220
63	658423
64	255606
65	16796

[1, 0, 1, 0, 0, 2, 0, 0, 1, 5, 0, 0, 0, 9, 14, 0, 0, 0, 5, 59, 42, 0, 0, 0, 1, 92, 342, 132, 0, 0, 0, 0, 75, 1073, 1863, 429, 0, 0, 0, 0, 35, 1882, 10145, 9794, 1430, 0, 0, 0, 0, 9, 2131, 31345, 84977, 50380, 4862, 0, 0, 0, 0, 1, 1661, 64395, 417220, 658423, 255606, 16796]

cp's OEIS Frontend

A369321 T(n,k) is the number of length-n weak ascent sequences (prefixed with a zero) with k weak ascents, triangle read by rows.

Table of values

List of values