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.

A122171 Smallest number m such that there are exactly n primes of form m+p for primes p<2m.

Table of values

n a(n)
1 1
2 4
3 6
4 10
5 12
6 18
7 38
8 74
9 40
10 24
11 68
12 30
13 36
14 54
15 72
16 100
17 134
18 78
19 60
20 66
21 102
22 96
23 84
24 114
25 238
26 90
27 132
28 266
29 126
30 220
31 368
32 174
33 156
34 120
35 150
36 380
37 204
38 180
39 222
40 258
41 288
42 276
43 682
44 234
45 530
46 264
47 324
48 252
49 306
50 240
51 490
52 210
53 372
54 270
55 402
56 728
57 408
58 650

List of values

[1, 4, 6, 10, 12, 18, 38, 74, 40, 24, 68, 30, 36, 54, 72, 100, 134, 78, 60, 66, 102, 96, 84, 114, 238, 90, 132, 266, 126, 220, 368, 174, 156, 120, 150, 380, 204, 180, 222, 258, 288, 276, 682, 234, 530, 264, 324, 252, 306, 240, 490, 210, 372, 270, 402, 728, 408, 650]

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

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