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.

A373992 Numbers k such that A328768(k) is a multiple of 3, where A328768 is the first primorial based variant of arithmetic derivative.

Table of values

n a(n)
1 0
2 1
3 5
4 7
5 8
6 9
7 11
8 13
9 17
10 18
11 19
12 23
13 25
14 27
15 29
16 31
17 35
18 36
19 37
20 40
21 41
22 43
23 45
24 47
25 49
26 53
27 54
28 55
29 56
30 59
31 61
32 63
33 64
34 65
35 67
36 71
37 72
38 73
39 77
40 79
41 81
42 83
43 85
44 88
45 89
46 90
47 91
48 95
49 97
50 99
51 101
52 103
53 104
54 107
55 108
56 109
57 113
58 115
59 117
60 119
61 121
62 125
63 126
64 127
65 131
66 133
67 135
68 136
69 137
70 139
71 143
72 144
73 145
74 149

List of values

[0, 1, 5, 7, 8, 9, 11, 13, 17, 18, 19, 23, 25, 27, 29, 31, 35, 36, 37, 40, 41, 43, 45, 47, 49, 53, 54, 55, 56, 59, 61, 63, 64, 65, 67, 71, 72, 73, 77, 79, 81, 83, 85, 88, 89, 90, 91, 95, 97, 99, 101, 103, 104, 107, 108, 109, 113, 115, 117, 119, 121, 125, 126, 127, 131, 133, 135, 136, 137, 139, 143, 144, 145, 149]