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.

A280753 Denominators of triangle related to enumeration of minimal 2-covers of a labeled n-set.

Table of values

n a(n)
1 1
2 3
3 3
4 7
5 2
6 7
7 15
8 5
9 21
10 15
11 31
12 3
13 651
14 186
15 31
16 63
17 7
18 651
19 651
20 651
21 63
22 127
23 4
24 11811
25 15748
26 11811
27 762
28 127
29 255
30 9
31 66929
32 602361
33 602361
34 10795
35 32385
36 255

List of values

[1, 3, 3, 7, 2, 7, 15, 5, 21, 15, 31, 3, 651, 186, 31, 63, 7, 651, 651, 651, 63, 127, 4, 11811, 15748, 11811, 762, 127, 255, 9, 66929, 602361, 602361, 10795, 32385, 255]