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.

A355530 Squarefree numbers that are either even or have at least one pair of consecutive prime factors. Numbers n such that the minimal difference between adjacent 0-prepended prime indices of n is 1.

Table of values

n a(n)
1 2
2 6
3 10
4 14
5 15
6 22
7 26
8 30
9 34
10 35
11 38
12 42
13 46
14 58
15 62
16 66
17 70
18 74
19 77
20 78
21 82
22 86
23 94
24 102
25 105
26 106
27 110
28 114
29 118
30 122
31 130
32 134
33 138
34 142
35 143
36 146
37 154
38 158
39 165
40 166
41 170
42 174
43 178
44 182
45 186
46 190
47 194
48 195
49 202
50 206
51 210
52 214
53 218
54 221
55 222
56 226
57 230

List of values

[2, 6, 10, 14, 15, 22, 26, 30, 34, 35, 38, 42, 46, 58, 62, 66, 70, 74, 77, 78, 82, 86, 94, 102, 105, 106, 110, 114, 118, 122, 130, 134, 138, 142, 143, 146, 154, 158, 165, 166, 170, 174, 178, 182, 186, 190, 194, 195, 202, 206, 210, 214, 218, 221, 222, 226, 230]

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

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