A350783 - cp's OEIS frontend

A350783 Triangle read by rows: T(n,k) is the number of n-element unlabeled N-free posets with k connected components.

n	a(n)
1	1
2	1
3	1
4	3
5	1
6	1
7	9
8	4
9	1
10	1
11	31
12	12
13	4
14	1
15	1
16	115
17	46
18	13
19	4
20	1
21	1
22	474
23	173
24	49
25	13
26	4
27	1
28	1
29	2097
30	727
31	188
32	50
33	13
34	4
35	1
36	1
37	9967
38	3195
39	795
40	191
41	50
42	13
43	4
44	1
45	1
46	50315
47	15017
48	3502
49	810
50	192
51	50
52	13
53	4
54	1
55	1

[1, 1, 1, 3, 1, 1, 9, 4, 1, 1, 31, 12, 4, 1, 1, 115, 46, 13, 4, 1, 1, 474, 173, 49, 13, 4, 1, 1, 2097, 727, 188, 50, 13, 4, 1, 1, 9967, 3195, 795, 191, 50, 13, 4, 1, 1, 50315, 15017, 3502, 810, 192, 50, 13, 4, 1, 1]

cp's OEIS Frontend

A350783 Triangle read by rows: T(n,k) is the number of n-element unlabeled N-free posets with k connected components.

Table of values

List of values