A218579 - cp's OEIS frontend

A218579 Triangle read by rows: T(n,k) is the number of ascent sequences of length n with last zero at position k-1.

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	2
7	5
8	2
9	3
10	5
11	15
12	5
13	8
14	10
15	15
16	53
17	15
18	26
19	32
20	38
21	53
22	217
23	53
24	99
25	122
26	142
27	164
28	217
29	1014
30	217
31	433
32	537
33	619
34	704
35	797
36	1014
37	5335
38	1014
39	2143
40	2683
41	3069
42	3464
43	3876
44	4321
45	5335
46	31240
47	5335
48	11854
49	15015
50	17063
51	19140
52	21294
53	23522
54	25905
55	31240

[1, 1, 1, 2, 1, 2, 5, 2, 3, 5, 15, 5, 8, 10, 15, 53, 15, 26, 32, 38, 53, 217, 53, 99, 122, 142, 164, 217, 1014, 217, 433, 537, 619, 704, 797, 1014, 5335, 1014, 2143, 2683, 3069, 3464, 3876, 4321, 5335, 31240, 5335, 11854, 15015, 17063, 19140, 21294, 23522, 25905, 31240]

cp's OEIS Frontend

A218579 Triangle read by rows: T(n,k) is the number of ascent sequences of length n with last zero at position k-1.

Table of values

List of values