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.

A359544 Numbers k such that all their divisors (including k itself) are in A099308, i.e., reach eventually zero when iterated with the arithmetic derivative.

Table of values

n a(n)
1 1
2 2
3 3
4 5
5 6
6 7
7 9
8 10
9 11
10 13
11 14
12 17
13 18
14 19
15 21
16 22
17 23
18 25
19 29
20 31
21 33
22 34
23 37
24 38
25 41
26 42
27 43
28 46
29 47
30 49
31 53
32 57
33 58
34 59
35 61
36 62
37 65
38 66
39 67
40 71
41 73
42 77
43 79
44 82
45 83
46 85
47 89
48 93
49 94
50 97
51 98
52 101
53 103
54 107
55 109
56 113
57 114
58 118
59 121
60 127
61 129
62 131
63 137
64 139
65 142
66 145
67 149
68 151
69 154
70 157
71 161
72 163
73 166

List of values

[1, 2, 3, 5, 6, 7, 9, 10, 11, 13, 14, 17, 18, 19, 21, 22, 23, 25, 29, 31, 33, 34, 37, 38, 41, 42, 43, 46, 47, 49, 53, 57, 58, 59, 61, 62, 65, 66, 67, 71, 73, 77, 79, 82, 83, 85, 89, 93, 94, 97, 98, 101, 103, 107, 109, 113, 114, 118, 121, 127, 129, 131, 137, 139, 142, 145, 149, 151, 154, 157, 161, 163, 166]