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A070851 as a simple table

na(n)
129
229
343
429
571
643
7197
8113
9127
1071
11463
12337
13547
14197
15211
16113
17239
18127
191597
20281
21883
22463
23967
24337
25701
26547
27379
28197
292437
30211
311303
32449
33463
34239
35491
36757
372591
381597
39547
40281
411723
42883
433011
44617
45631
46967
47659
48337
491373
50701
511429

[29,29,43,29,71,43,197,113,127,71,463,337,547,197,
 211,113,239,127,1597,281,883,463,967,337,701,547,
 379,197,2437,211,1303,449,463,239,491,757,2591,
 1597,547,281,1723,883,3011,617,631,967,659,337,
 1373,701,1429]