A065066 - cp's OEIS frontend

A065066 Triangle T(n,k) read by rows of partially ordered sets ("posets") with n unlabeled nodes and k maximal elements (0 <= k <= n).

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	1
6	0
7	2
8	2
9	1
10	0
11	5
12	7
13	3
14	1
15	0
16	16
17	27
18	15
19	4
20	1
21	0
22	63
23	134
24	88
25	27
26	5
27	1
28	0
29	318
30	814
31	642
32	221
33	43
34	6
35	1
36	0
37	2045
38	6258
39	5828
40	2319
41	477
42	64
43	7
44	1
45	0
46	16999
47	60877
48	66612
49	30698
50	7015
51	931
52	90
53	8
54	1
55	0
56	183231
57	755323
58	959941
59	514525
60	133610

[1, 0, 1, 0, 1, 1, 0, 2, 2, 1, 0, 5, 7, 3, 1, 0, 16, 27, 15, 4, 1, 0, 63, 134, 88, 27, 5, 1, 0, 318, 814, 642, 221, 43, 6, 1, 0, 2045, 6258, 5828, 2319, 477, 64, 7, 1, 0, 16999, 60877, 66612, 30698, 7015, 931, 90, 8, 1, 0, 183231, 755323, 959941, 514525, 133610]

cp's OEIS Frontend

A065066 Triangle T(n,k) read by rows of partially ordered sets ("posets") with n unlabeled nodes and k maximal elements (0 <= k <= n).

Table of values

List of values