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A083557 as a simple table

na(n)
13
211
37
423
571
643
7131
879
9239
10719
11127
12383
131151
14691
1583
16251
17151
1813
1941
205
2117
2253
2323
2471
2543
26131
2779
28239
29719
30127
31383
321151
33691
3483
35251
36151
3713
3841
395
4017
4153
4223
4371
4443
45131
4679
47239
48719
49127
50383
511151
52691
5383
54251
55151
5613
5741
585
5917
6053
6123

[3,11,7,23,71,43,131,79,239,719,127,383,1151,691,
 83,251,151,13,41,5,17,53,23,71,43,131,79,239,719,
 127,383,1151,691,83,251,151,13,41,5,17,53,23,71,
 43,131,79,239,719,127,383,1151,691,83,251,151,13,
 41,5,17,53,23]