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A155913 as a simple table

na(n)
123
229
331
437
553
659
771
873
979
10113
11127
12149
13163
14167
15211
16233
17239
18251
19257
20293
21307
22347
23349
24383
25389
26419
27431
28433
29439
30479
31491
32499
33503
34509
35521
36523
37563
38569
39587
40613
41617
42619
43653
44659
45673
46677
47701
48709
49743
50761
51769
52839
53853
54857

[23,29,31,37,53,59,71,73,79,113,127,149,163,167,
 211,233,239,251,257,293,307,347,349,383,389,419,
 431,433,439,479,491,499,503,509,521,523,563,569,
 587,613,617,619,653,659,673,677,701,709,743,761,
 769,839,853,857]