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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.

A208272 Primes containing a digit 2.

Table of values

n a(n)
1 2
2 23
3 29
4 127
5 211
6 223
7 227
8 229
9 233
10 239
11 241
12 251
13 257
14 263
15 269
16 271
17 277
18 281
19 283
20 293
21 421
22 521
23 523
24 727
25 821
26 823
27 827
28 829
29 929
30 1021
31 1123
32 1129
33 1201
34 1213
35 1217
36 1223
37 1229
38 1231
39 1237
40 1249
41 1259
42 1277
43 1279
44 1283
45 1289
46 1291
47 1297
48 1321
49 1327

List of values

[2, 23, 29, 127, 211, 223, 227, 229, 233, 239, 241, 251, 257, 263, 269, 271, 277, 281, 283, 293, 421, 521, 523, 727, 821, 823, 827, 829, 929, 1021, 1123, 1129, 1201, 1213, 1217, 1223, 1229, 1231, 1237, 1249, 1259, 1277, 1279, 1283, 1289, 1291, 1297, 1321, 1327]

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

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