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.

A332739 Numbers k such that usigma(x) = k has a unique solution, where usigma(k) is the sum of unitary divisors of k (A034448).

Table of values

n a(n)
1 1
2 3
3 4
4 5
5 6
6 8
7 9
8 10
9 14
10 17
11 26
12 28
13 33
14 38
15 40
16 44
17 56
18 62
19 65
20 70
21 74
22 78
23 82
24 98
25 100
26 110
27 112
28 122
29 129
30 130
31 136
32 138
33 158
34 164
35 174
36 176
37 182
38 186
39 190
40 194
41 208
42 210
43 212
44 220
45 222
46 230
47 238
48 242
49 244
50 246
51 248
52 250
53 256
54 257
55 258
56 278
57 282
58 284
59 290

List of values

[1, 3, 4, 5, 6, 8, 9, 10, 14, 17, 26, 28, 33, 38, 40, 44, 56, 62, 65, 70, 74, 78, 82, 98, 100, 110, 112, 122, 129, 130, 136, 138, 158, 164, 174, 176, 182, 186, 190, 194, 208, 210, 212, 220, 222, 230, 238, 242, 244, 246, 248, 250, 256, 257, 258, 278, 282, 284, 290]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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