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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.

A372186 Numbers m such that 20*m + 1, 80*m + 1, 100*m + 1, and 200*m + 1 are all primes.

Table of values

n a(n)
1 333
2 741
3 1659
4 1749
5 2505
6 2706
7 2730
8 4221
9 4437
10 4851
11 5625
12 6447
13 7791
14 7977
15 8229
16 8250
17 9216
18 10833
19 12471
20 13950
21 14028
22 15147
23 16002
24 17667
25 18207
26 18246
27 19152
28 20517
29 23400
30 23421
31 23961
32 25689
33 26247
34 28587
35 28608
36 30363
37 31584
38 34167
39 36330
40 36378

List of values

[333, 741, 1659, 1749, 2505, 2706, 2730, 4221, 4437, 4851, 5625, 6447, 7791, 7977, 8229, 8250, 9216, 10833, 12471, 13950, 14028, 15147, 16002, 17667, 18207, 18246, 19152, 20517, 23400, 23421, 23961, 25689, 26247, 28587, 28608, 30363, 31584, 34167, 36330, 36378]

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

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