cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A035348 Triangle of a(n,k) = number of k-member minimal covers of an n-set (n >= k >= 1).

Table of values

n a(n)
1 1
2 1
3 1
4 1
5 6
6 1
7 1
8 25
9 22
10 1
11 1
12 90
13 305
14 65
15 1
16 1
17 301
18 3410
19 2540
20 171
21 1
22 1
23 966
24 33621
25 77350
26 17066
27 420
28 1
29 1
30 3025
31 305382
32 2022951
33 1298346
34 100814
35 988
36 1
37 1
38 9330
39 2619625
40 47708115
41 83384427
42 18151560
43 549102
44 2259
45 1

List of values

[1, 1, 1, 1, 6, 1, 1, 25, 22, 1, 1, 90, 305, 65, 1, 1, 301, 3410, 2540, 171, 1, 1, 966, 33621, 77350, 17066, 420, 1, 1, 3025, 305382, 2022951, 1298346, 100814, 988, 1, 1, 9330, 2619625, 47708115, 83384427, 18151560, 549102, 2259, 1]