A003469 - cp's OEIS frontend

A003469 Number of minimal covers of an (n + 1)-set by a collection of n nonempty subsets, a(n) = A035348(n,n-1).

n	a(n)
1	1
2	6
3	22
4	65
5	171
6	420
7	988
8	2259
9	5065
10	11198
11	24498
12	53157
13	114583
14	245640
15	524152
16	1113959
17	2359125
18	4980546
19	10485550
20	22019865
21	46137091
22	96468716
23	201326292
24	419430075
25	872414881
26	1811938950
27	3758095978
28	7784627789
29	16106126895
30	33285996048

[1, 6, 22, 65, 171, 420, 988, 2259, 5065, 11198, 24498, 53157, 114583, 245640, 524152, 1113959, 2359125, 4980546, 10485550, 22019865, 46137091, 96468716, 201326292, 419430075, 872414881, 1811938950, 3758095978, 7784627789, 16106126895, 33285996048]

cp's OEIS Frontend

A003469 Number of minimal covers of an (n + 1)-set by a collection of n nonempty subsets, a(n) = A035348(n,n-1).

Table of values

List of values