A342588 - cp's OEIS frontend

A342588 T(n,k) is the number of labeled connected posets of n labeled elements with k covering relations (n>=1, k>=0). Triangle read by rows.

n	a(n)
1	1
2	0
3	2
4	0
5	0
6	12
7	0
8	0
9	0
10	128
11	18
12	0
13	0
14	0
15	0
16	2000
17	960
18	100
19	0
20	0
21	0
22	0
23	0
24	41472
25	43320
26	15000
27	1710
28	140
29	0
30	0
31	0
32	0
33	0
34	0
35	1075648
36	1985760
37	1453200
38	490560
39	90594
40	10080
41	770
42	0
43	0
44	0
45	0
46	0
47	0
48	0
49	33554432
50	96937680
51	122360000
52	82220880
53	32527488
54	8205288
55	1396640
56	179760
57	20048
58	1050

[1, 0, 2, 0, 0, 12, 0, 0, 0, 128, 18, 0, 0, 0, 0, 2000, 960, 100, 0, 0, 0, 0, 0, 41472, 43320, 15000, 1710, 140, 0, 0, 0, 0, 0, 0, 1075648, 1985760, 1453200, 490560, 90594, 10080, 770, 0, 0, 0, 0, 0, 0, 0, 33554432, 96937680, 122360000, 82220880, 32527488, 8205288, 1396640, 179760, 20048, 1050]

cp's OEIS Frontend

A342588 T(n,k) is the number of labeled connected posets of n labeled elements with k covering relations (n>=1, k>=0). Triangle read by rows.

Table of values

List of values