A238858 - cp's OEIS frontend

A238858 Triangle T(n,k) read by rows: T(n,k) is the number of length-n ascent sequences with exactly k descents.

n	a(n)
0	1
1	1
2	0
3	2
4	0
5	0
6	4
7	1
8	0
9	0
10	8
11	7
12	0
13	0
14	0
15	16
16	33
17	4
18	0
19	0
20	0
21	32
22	131
23	53
24	1
25	0
26	0
27	0
28	64
29	473
30	429
31	48
32	0
33	0
34	0
35	0
36	128
37	1611
38	2748
39	822
40	26
41	0
42	0
43	0
44	0
45	256
46	5281
47	15342
48	9305
49	1048
50	8
51	0
52	0
53	0
54	0
55	512
56	16867
57	78339
58	83590
59	21362
60	937
61	1
62	0
63	0
64	0
65	0
66	1024
67	52905
68	376159
69	647891
70	307660
71	35841
72	594
73	0
74	0
75	0
76	0
77	0

[1, 1, 0, 2, 0, 0, 4, 1, 0, 0, 8, 7, 0, 0, 0, 16, 33, 4, 0, 0, 0, 32, 131, 53, 1, 0, 0, 0, 64, 473, 429, 48, 0, 0, 0, 0, 128, 1611, 2748, 822, 26, 0, 0, 0, 0, 256, 5281, 15342, 9305, 1048, 8, 0, 0, 0, 0, 512, 16867, 78339, 83590, 21362, 937, 1, 0, 0, 0, 0, 1024, 52905, 376159, 647891, 307660, 35841, 594, 0, 0, 0, 0, 0]

cp's OEIS Frontend

A238858 Triangle T(n,k) read by rows: T(n,k) is the number of length-n ascent sequences with exactly k descents.

Table of values

List of values