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A027755 as a simple table

n a(n)
1 5
2 7
3 11
4 17
5 47
6 61
7 137
8 277
9 311
10 347
11 467
12 557
13 761
14 997
15 1061
16 1487
17 1811
18 2357
19 2657
20 3911
21 4561
22 5261
23 5407
24 5857
25 6011
26 6977
27 7487
28 8377
29 8747
30 9511
31 11777
32 12437
33 13577
34 14767
35 16007
36 17827
37 18637
38 18911
39 21467
40 23567
41 25127

[5,7,11,17,47,61,137,277,311,347,467,557,761,997,
 1061,1487,1811,2357,2657,3911,4561,5261,5407,5857,
 6011,6977,7487,8377,8747,9511,11777,12437,13577,
 14767,16007,17827,18637,18911,21467,23567,25127]

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Last modified April 23 06:38 EDT 2021. Contains 343201 sequences. (Running on oeis4.)