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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.

A224862 Numbers n such that 90*n + 71 and 90*n + 73 are twin primes.

Table of values

n a(n)
1 0
2 4
3 5
4 9
5 11
6 12
7 20
8 23
9 28
10 39
11 40
12 42
13 49
14 54
15 55
16 62
17 63
18 72
19 103
20 104
21 114
22 133
23 154
24 161
25 173
26 174
27 181
28 182
29 184
30 187
31 202
32 205
33 215
34 221
35 224
36 230
37 238
38 249
39 250
40 257
41 258
42 261
43 263
44 264
45 270
46 291
47 296
48 298
49 308
50 338
51 342
52 345
53 348
54 361
55 364
56 389
57 394

List of values

[0, 4, 5, 9, 11, 12, 20, 23, 28, 39, 40, 42, 49, 54, 55, 62, 63, 72, 103, 104, 114, 133, 154, 161, 173, 174, 181, 182, 184, 187, 202, 205, 215, 221, 224, 230, 238, 249, 250, 257, 258, 261, 263, 264, 270, 291, 296, 298, 308, 338, 342, 345, 348, 361, 364, 389, 394]

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

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