A342500 - cp's OEIS frontend

A342500 T(n,k) is the number of connected unlabeled posets with n elements and rank k: triangle read by rows.

n	a(n)
1	1
2	0
3	1
4	0
5	2
6	1
7	0
8	4
9	5
10	1
11	0
12	10
13	24
14	9
15	1
16	0
17	27
18	123
19	73
20	14
21	1
22	0
23	88
24	734
25	638
26	169
27	20
28	1
29	0
30	328
31	5184
32	6460
33	2178
34	334
35	27
36	1
37	0
38	1460
39	44518
40	78385
41	32468
42	5880
43	594
44	35
45	1
46	0
47	7799
48	472859
49	1164966
50	581533
51	118933
52	13605
53	979
54	44
55	1

[1, 0, 1, 0, 2, 1, 0, 4, 5, 1, 0, 10, 24, 9, 1, 0, 27, 123, 73, 14, 1, 0, 88, 734, 638, 169, 20, 1, 0, 328, 5184, 6460, 2178, 334, 27, 1, 0, 1460, 44518, 78385, 32468, 5880, 594, 35, 1, 0, 7799, 472859, 1164966, 581533, 118933, 13605, 979, 44, 1]

cp's OEIS Frontend

A342500 T(n,k) is the number of connected unlabeled posets with n elements and rank k: triangle read by rows.

Table of values

List of values