A059080 - cp's OEIS frontend

A059080 Triangle A(n,m) of numbers of n-element T_0-antichains on a labeled m-set, m=0,...,2^n.

n	a(n)
0	1
1	1
2	1
3	2
4	2
5	0
6	0
7	1
8	6
9	12
10	0
11	0
12	0
13	2
14	52
15	520
16	2640
17	6720
18	6720
19	0
20	0
21	0
22	0
23	25
24	1770
25	53940
26	1012620
27	13487040
28	136745280
29	1094688000
30	7025356800
31	36084787200
32	145297152000
33	435891456000
34	871782912000
35	871782912000

[1, 1, 1, 2, 2, 0, 0, 1, 6, 12, 0, 0, 0, 2, 52, 520, 2640, 6720, 6720, 0, 0, 0, 0, 25, 1770, 53940, 1012620, 13487040, 136745280, 1094688000, 7025356800, 36084787200, 145297152000, 435891456000, 871782912000, 871782912000]

cp's OEIS Frontend

A059080 Triangle A(n,m) of numbers of n-element T_0-antichains on a labeled m-set, m=0,...,2^n.

Table of values

List of values