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A154408 as a simple table

na(n)
17
213
317
423
537
653
767
897
9103
10113
11127
12137
13163
14167
15197
16223
17227
18263
19277
20283
21347
22367
23373
24383
25397
26433
27503
28547
29587
30617
31653
32673
33677
34683
35773
36797
37823
38877
39883
40937
41947
42953
43997
441063
451103
461117
471163
481187
491213
501367
511423
521447

[7,13,17,23,37,53,67,97,103,113,127,137,163,167,
 197,223,227,263,277,283,347,367,373,383,397,433,
 503,547,587,617,653,673,677,683,773,797,823,877,
 883,937,947,953,997,1063,1103,1117,1163,1187,1213,
 1367,1423,1447]