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A030284 as a simple table

n a(n)
1 2
2 3
3 5
4 7
5 11
6 23
7 41
8 53
9 61
10 73
11 89
12 101
13 223
14 401
15 523
16 601
17 727
18 809
19 1117
20 2003
21 4111
22 5003
23 6121
24 7039
25 8111
26 9007
27 11113
28 20029
29 31147
30 50069
31 71143
32 80209
33 111143
34 200009
35 311111
36 400009
37 511111
38 600043
39 711121
40 800053
41 911111
42 2000003
43 4111147
44 5000263
45 7111199
46 8000023
47 9111161

[2,3,5,7,11,23,41,53,61,73,89,101,223,401,523,601,
 727,809,1117,2003,4111,5003,6121,7039,8111,9007,
 11113,20029,31147,50069,71143,80209,111143,200009,
 311111,400009,511111,600043,711121,800053,911111,
 2000003,4111147,5000263,7111199,8000023,9111161]

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Last modified April 25 10:01 EDT 2024. Contains 371967 sequences. (Running on oeis4.)