A317674 - cp's OEIS frontend

A317674 Regular triangle where T(n,k) is the number of antichains covering n vertices with k connected components.

n	a(n)
1	1
2	1
3	1
4	5
5	3
6	1
7	84
8	23
9	6
10	1
11	6348
12	470
13	65
14	10
15	1
16	7743728
17	39598
18	1575
19	145
20	15
21	1
22	2414572893530
23	54354104
24	144403
25	4095
26	280
27	21
28	1
29	56130437190053299918162
30	19316801997024
31	218033088
32	402073
33	9100
34	490
35	28
36	1

[1, 1, 1, 5, 3, 1, 84, 23, 6, 1, 6348, 470, 65, 10, 1, 7743728, 39598, 1575, 145, 15, 1, 2414572893530, 54354104, 144403, 4095, 280, 21, 1, 56130437190053299918162, 19316801997024, 218033088, 402073, 9100, 490, 28, 1]

cp's OEIS Frontend

A317674 Regular triangle where T(n,k) is the number of antichains covering n vertices with k connected components.

Table of values

List of values