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A139599 as a simple table

na(n)
13
27
311
441
547
653
771
873
983
10101
11127
12149
13157
14173
15181
16197
17211
18223
19229
20263
21271
22307
23337
24359
25373
26379
27397
28419
29433
30443
31509
32521
33571
34593
35599
36613
37617
38619
39641
40659
41673
42677
43719
44733
45739
46743
47751
48761
49773
50787
51811
52821
53887
54937

[3,7,11,41,47,53,71,73,83,101,127,149,157,173,181,
 197,211,223,229,263,271,307,337,359,373,379,397,
 419,433,443,509,521,571,593,599,613,617,619,641,
 659,673,677,719,733,739,743,751,761,773,787,811,
 821,887,937]