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.

A371089 Numbers k such that A003557(k) does not divide A276086(k), where A003557(k) is k divided by its largest squarefree divisor, and A276086 is the primorial base exp-function.

Table of values

n a(n)
1 4
2 8
3 12
4 16
5 18
6 20
7 24
8 27
9 28
10 32
11 36
12 40
13 44
14 48
15 52
16 54
17 56
18 60
19 64
20 68
21 72
22 76
23 80
24 81
25 84
26 88
27 90
28 92
29 96
30 100
31 104
32 108
33 112
34 116
35 120
36 121
37 124
38 125
39 126
40 128
41 132
42 135
43 136
44 140
45 144
46 148
47 150
48 152
49 156
50 160
51 162
52 164
53 168
54 169
55 172
56 176
57 180
58 184
59 188
60 189
61 192
62 196
63 198
64 200
65 204
66 208
67 212
68 216
69 220
70 224

List of values

[4, 8, 12, 16, 18, 20, 24, 27, 28, 32, 36, 40, 44, 48, 52, 54, 56, 60, 64, 68, 72, 76, 80, 81, 84, 88, 90, 92, 96, 100, 104, 108, 112, 116, 120, 121, 124, 125, 126, 128, 132, 135, 136, 140, 144, 148, 150, 152, 156, 160, 162, 164, 168, 169, 172, 176, 180, 184, 188, 189, 192, 196, 198, 200, 204, 208, 212, 216, 220, 224]