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.

A168086 Numbers k such that d(k) is not an isolated number.

Table of values

n a(n)
1 1
2 4
3 9
4 16
5 24
6 25
7 30
8 36
9 40
10 42
11 48
12 49
13 54
14 56
15 64
16 66
17 70
18 78
19 80
20 81
21 88
22 100
23 102
24 104
25 105
26 110
27 112
28 114
29 120
30 121
31 128
32 130
33 135
34 136
35 138
36 144
37 152
38 154
39 162
40 165
41 168
42 169
43 170
44 174
45 176
46 182
47 184
48 186
49 189
50 190
51 192
52 195
53 196
54 208
55 210
56 216
57 222

List of values

[1, 4, 9, 16, 24, 25, 30, 36, 40, 42, 48, 49, 54, 56, 64, 66, 70, 78, 80, 81, 88, 100, 102, 104, 105, 110, 112, 114, 120, 121, 128, 130, 135, 136, 138, 144, 152, 154, 162, 165, 168, 169, 170, 174, 176, 182, 184, 186, 189, 190, 192, 195, 196, 208, 210, 216, 222]