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.

A385402 Numbers m >= 1 such that Sum_{k = 1..m} gcd(m, floor(m / k)) = Sum_{k = 1..m} gcd(m, ceiling(m / k)).

Table of values

n a(n)
1 1
2 2
3 3
4 5
5 7
6 11
7 13
8 17
9 19
10 23
11 29
12 31
13 35
14 37
15 41
16 43
17 47
18 53
19 59
20 61
21 67
22 71
23 73
24 77
25 79
26 83
27 89
28 95
29 97
30 101
31 103
32 107
33 109
34 113
35 119
36 125
37 127
38 131
39 137
40 139
41 143
42 149
43 151
44 157
45 163
46 167
47 173
48 179
49 181
50 187
51 191
52 193
53 197
54 199
55 209
56 211
57 221

List of values

[1, 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 35, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 77, 79, 83, 89, 95, 97, 101, 103, 107, 109, 113, 119, 125, 127, 131, 137, 139, 143, 149, 151, 157, 163, 167, 173, 179, 181, 187, 191, 193, 197, 199, 209, 211, 221]