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.

A113709 a(n) is the composite between p(n) and p(n+1), where p(n) is the n-th prime, which is divisible by (p(n+1)-p(n)).

Table of values

n a(n)
2 4
3 6
4 8
5 12
6 16
7 18
8 20
9 24
10 30
11 36
12 40
13 42
14 44
15 48
16 54
17 60
18 66
19 68
20 72
21 78
22 80
23 84
24 96
25 100
26 102
27 104
28 108
29 112
30 126
31 128
32 132
33 138
34 140
35 150
36 156
37 162
38 164
39 168
40 174
41 180
42 190
43 192
44 196
45 198
46 204
47 216
48 224
49 228
50 232
51 234
52 240
53 250
54 252
55 258
56 264
57 270
58 276
59 280

List of values

[4, 6, 8, 12, 16, 18, 20, 24, 30, 36, 40, 42, 44, 48, 54, 60, 66, 68, 72, 78, 80, 84, 96, 100, 102, 104, 108, 112, 126, 128, 132, 138, 140, 150, 156, 162, 164, 168, 174, 180, 190, 192, 196, 198, 204, 216, 224, 228, 232, 234, 240, 250, 252, 258, 264, 270, 276, 280]

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

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