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.

A359409 Integers d such that the largest possible arithmetic progression (AP) of primes with common difference d has exactly four elements.

Table of values

n a(n)
1 18
2 24
3 36
4 54
5 66
6 72
7 78
8 84
9 102
10 108
11 114
12 132
13 138
14 144
15 156
16 162
17 168
18 174
19 186
20 192
21 198
22 204
23 216
24 222
25 228
26 234
27 246
28 258
29 264
30 276
31 282
32 288
33 294
34 306
35 312
36 318
37 324
38 336
39 342
40 348
41 354
42 366
43 372
44 378
45 384
46 396
47 402
48 408
49 414
50 432
51 438
52 444
53 456
54 462
55 468
56 486

List of values

[18, 24, 36, 54, 66, 72, 78, 84, 102, 108, 114, 132, 138, 144, 156, 162, 168, 174, 186, 192, 198, 204, 216, 222, 228, 234, 246, 258, 264, 276, 282, 288, 294, 306, 312, 318, 324, 336, 342, 348, 354, 366, 372, 378, 384, 396, 402, 408, 414, 432, 438, 444, 456, 462, 468, 486]

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

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