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A012884 as a simple table

n a(n)
1 1
2 2
3 3
4 5
5 7
6 11
7 13
8 17
9 23
10 31
11 37
12 53
13 71
14 73
15 113
16 131
17 137
18 173
19 197
20 311
21 313
22 317
23 373
24 797
25 1373
26 1997
27 3137
28 3797
29 7331
30 73331
31 739397

[1,2,3,5,7,11,13,17,23,31,37,53,71,73,113,131,137,
 173,197,311,313,317,373,797,1373,1997,3137,3797,
 7331,73331,739397]

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Last modified September 19 05:24 EDT 2024. Contains 376004 sequences. (Running on oeis4.)