A242153 - cp's OEIS frontend

A242153 Number T(n,k) of ascent sequences of length n with exactly k flat steps; triangle T(n,k), n>=0, 0<=k<=n, read by rows.

n	a(n)
0	1
1	1
2	0
3	1
4	1
5	0
6	2
7	2
8	1
9	0
10	5
11	6
12	3
13	1
14	0
15	16
16	20
17	12
18	4
19	1
20	0
21	61
22	80
23	50
24	20
25	5
26	1
27	0
28	271
29	366
30	240
31	100
32	30
33	6
34	1
35	0
36	1372
37	1897
38	1281
39	560
40	175
41	42
42	7
43	1
44	0
45	7795
46	10976
47	7588
48	3416
49	1120
50	280
51	56
52	8
53	1
54	0
55	49093
56	70155
57	49392
58	22764
59	7686
60	2016
61	420
62	72
63	9
64	1
65	0

[1, 1, 0, 1, 1, 0, 2, 2, 1, 0, 5, 6, 3, 1, 0, 16, 20, 12, 4, 1, 0, 61, 80, 50, 20, 5, 1, 0, 271, 366, 240, 100, 30, 6, 1, 0, 1372, 1897, 1281, 560, 175, 42, 7, 1, 0, 7795, 10976, 7588, 3416, 1120, 280, 56, 8, 1, 0, 49093, 70155, 49392, 22764, 7686, 2016, 420, 72, 9, 1, 0]

cp's OEIS Frontend

A242153 Number T(n,k) of ascent sequences of length n with exactly k flat steps; triangle T(n,k), n>=0, 0<=k<=n, read by rows.

Table of values

List of values