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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.

A216304 Values of k such that 10*k+1 and 10*k+7 alone are prime between 10*k and 10*k+9.

Table of values

n a(n)
1 3
2 6
3 15
4 25
5 27
6 33
7 54
8 57
9 60
10 75
11 94
12 97
13 99
14 118
15 123
16 129
17 132
18 136
19 162
20 174
21 186
22 190
23 201
24 213
25 228
26 234
27 235
28 237
29 241
30 244
31 255
32 267
33 279
34 285
35 306
36 318
37 330
38 351
39 354
40 363
41 369
42 402
43 405
44 439
45 444
46 445
47 456
48 459
49 465
50 487
51 495
52 508
53 510
54 538

List of values

[3, 6, 15, 25, 27, 33, 54, 57, 60, 75, 94, 97, 99, 118, 123, 129, 132, 136, 162, 174, 186, 190, 201, 213, 228, 234, 235, 237, 241, 244, 255, 267, 279, 285, 306, 318, 330, 351, 354, 363, 369, 402, 405, 439, 444, 445, 456, 459, 465, 487, 495, 508, 510, 538]

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

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