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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.

A303575 a(n) = prime arising when A231433(n+1) is formed (if there is more than one, use the smallest).

Table of values

n a(n)
0 101
1 211
2 23
3 13
4 41
5 47
6 67
7 601
8 109
9 59
10 251
11 281
12 881
13 1381
14 1153
15 1451
16 1471
17 2017
18 2203
19 1223
20 1621
21 1619
22 1229
23 2203
24 2053
25 5227
26 2267
27 2269
28 4229
29 1423
30 1283
31 2383
32 2333
33 3253
34 6353
35 3463
36 3347
37 3739
38 3389
39 1483
40 2441
41 4243
42 5443
43 4457
44 4447
45 4451

List of values

[101, 211, 23, 13, 41, 47, 67, 601, 109, 59, 251, 281, 881, 1381, 1153, 1451, 1471, 2017, 2203, 1223, 1621, 1619, 1229, 2203, 2053, 5227, 2267, 2269, 4229, 1423, 1283, 2383, 2333, 3253, 6353, 3463, 3347, 3739, 3389, 1483, 2441, 4243, 5443, 4457, 4447, 4451]

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

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