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.

A370125 Numbers k such that the least prime dividing the arithmetic derivative of k is equal to the least prime not dividing k.

Table of values

n a(n)
1 1
2 6
3 9
4 14
5 15
6 21
7 25
8 26
9 33
10 35
11 38
12 39
13 49
14 50
15 51
16 55
17 57
18 62
19 65
20 69
21 74
22 77
23 81
24 85
25 86
26 87
27 91
28 93
29 95
30 110
31 111
32 115
33 119
34 121
35 122
36 123
37 129
38 133
39 134
40 135
41 141
42 143
43 145
44 146
45 155
46 158
47 159
48 161
49 169
50 170
51 177
52 183
53 185
54 187
55 189
56 194
57 201
58 203
59 205
60 206
61 209
62 213
63 215
64 217
65 218
66 219
67 221
68 225
69 230
70 235

List of values

[1, 6, 9, 14, 15, 21, 25, 26, 33, 35, 38, 39, 49, 50, 51, 55, 57, 62, 65, 69, 74, 77, 81, 85, 86, 87, 91, 93, 95, 110, 111, 115, 119, 121, 122, 123, 129, 133, 134, 135, 141, 143, 145, 146, 155, 158, 159, 161, 169, 170, 177, 183, 185, 187, 189, 194, 201, 203, 205, 206, 209, 213, 215, 217, 218, 219, 221, 225, 230, 235]