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A069677 as a simple table

n a(n)
1 2
2 3
3 5
4 7
5 11
6 13
7 17
8 19
9 23
10 29
11 31
12 37
13 41
14 43
15 47
16 53
17 59
18 61
19 67
20 71
21 73
22 79
23 83
24 89
25 97
26 127
27 223
28 227
29 229
30 421
31 521
32 523
33 727
34 821
35 823
36 827
37 829
38 929
39 1223
40 1229
41 2221
42 3221
43 3229
44 4229
45 5227
46 6221
47 6229
48 7229
49 8221
50 9221
51 9227
52 12227
53 22229
54 42221

[2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,
 61,67,71,73,79,83,89,97,127,223,227,229,421,521,
 523,727,821,823,827,829,929,1223,1229,2221,3221,
 3229,4229,5227,6221,6229,7229,8221,9221,9227,
 12227,22229,42221]

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Last modified April 25 04:42 EDT 2024. Contains 371964 sequences. (Running on oeis4.)