A352399 - cp's OEIS frontend

A352399 Triangular array read by rows: T(n,k) is the number of partial order relations on [n] that have exactly k components, n>=0, 0<=k<=n.

n	a(n)
0	1
1	0
2	1
3	0
4	2
5	1
6	0
7	12
8	6
9	1
10	0
11	146
12	60
13	12
14	1
15	0
16	3060
17	970
18	180
19	20
20	1
21	0
22	101642
23	24180
24	3750
25	420
26	30
27	1
28	0
29	5106612
30	901334
31	110040
32	10990
33	840
34	42
35	1
36	0
37	377403266
38	49347228
39	4567976
40	376320
41	27020
42	1512
43	56
44	1
45	0
46	40299722580
47	3923052354
48	269812620
49	17322648
50	1071000
51	58716
52	2520
53	72
54	1

[1, 0, 1, 0, 2, 1, 0, 12, 6, 1, 0, 146, 60, 12, 1, 0, 3060, 970, 180, 20, 1, 0, 101642, 24180, 3750, 420, 30, 1, 0, 5106612, 901334, 110040, 10990, 840, 42, 1, 0, 377403266, 49347228, 4567976, 376320, 27020, 1512, 56, 1, 0, 40299722580, 3923052354, 269812620, 17322648, 1071000, 58716, 2520, 72, 1]

cp's OEIS Frontend

A352399 Triangular array read by rows: T(n,k) is the number of partial order relations on [n] that have exactly k components, n>=0, 0<=k<=n.

Table of values

List of values