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.

A137877 Numbers k such that 18*k - 1 and 18*k + 1 are twin primes.

Table of values

n a(n)
1 1
2 4
3 6
4 10
5 11
6 15
7 24
8 29
9 45
10 46
11 49
12 59
13 64
14 71
15 90
16 104
17 111
18 116
19 119
20 126
21 130
22 144
23 155
24 165
25 176
26 181
27 185
28 196
29 199
30 204
31 214
32 225
33 231
34 235
35 241
36 249
37 251
38 266
39 274
40 276
41 279
42 301
43 314
44 319
45 325
46 326
47 350
48 364
49 365
50 370
51 386
52 396
53 406
54 416
55 420
56 431

List of values

[1, 4, 6, 10, 11, 15, 24, 29, 45, 46, 49, 59, 64, 71, 90, 104, 111, 116, 119, 126, 130, 144, 155, 165, 176, 181, 185, 196, 199, 204, 214, 225, 231, 235, 241, 249, 251, 266, 274, 276, 279, 301, 314, 319, 325, 326, 350, 364, 365, 370, 386, 396, 406, 416, 420, 431]

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

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