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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.

A328189 Numbers n with at least one pair of consecutive divisible nontrivial divisors (greater than 1 and less than n).

Table of values

n a(n)
1 8
2 16
3 18
4 20
5 27
6 28
7 32
8 40
9 42
10 44
11 50
12 52
13 54
14 56
15 64
16 66
17 68
18 75
19 76
20 78
21 80
22 81
23 88
24 92
25 98
26 99
27 100
28 102
29 104
30 110
31 112
32 114
33 116
34 117
35 124
36 125
37 126
38 128
39 130
40 136
41 138
42 140
43 147
44 148
45 152
46 153
47 156
48 160
49 162
50 164
51 170
52 171
53 172
54 174
55 176
56 184
57 186

List of values

[8, 16, 18, 20, 27, 28, 32, 40, 42, 44, 50, 52, 54, 56, 64, 66, 68, 75, 76, 78, 80, 81, 88, 92, 98, 99, 100, 102, 104, 110, 112, 114, 116, 117, 124, 125, 126, 128, 130, 136, 138, 140, 147, 148, 152, 153, 156, 160, 162, 164, 170, 171, 172, 174, 176, 184, 186]

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

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