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A033274 as a simple table

n a(n)
1 2
2 3
3 5
4 7
5 11
6 19
7 41
8 61
9 89
10 101
11 109
12 149
13 181
14 401
15 409
16 449
17 491
18 499
19 601
20 691
21 809
22 881
23 991
24 1009
25 1049
26 1069
27 1481
28 1609
29 1669
30 1699
31 1801
32 4001
33 4049
34 4481
35 4649
36 4801
37 4909
38 4969
39 6091
40 6469
41 6481
42 6869
43 6949
44 8009
45 8069
46 8081
47 8609
48 8669
49 8681

[2,3,5,7,11,19,41,61,89,101,109,149,181,401,409,
 449,491,499,601,691,809,881,991,1009,1049,1069,
 1481,1609,1669,1699,1801,4001,4049,4481,4649,4801,
 4909,4969,6091,6469,6481,6869,6949,8009,8069,8081,
 8609,8669,8681]

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Last modified April 18 12:42 EDT 2019. Contains 322209 sequences. (Running on oeis4.)