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A173176 as a simple table

na(n)
17
213
319
431
543
661
773
8103
9109
10139
11151
12181
13193
14199
15229
16241
17271
18283
19313
20349
21421
22433
23463
24523
25571
26601
27619
28643
29661
30811
31823
32829
33859
34883
351021
361033
371051
381063
391093
401153
411231
421279
431291
441303
451321
461429
471453
481483
491489
501609
511621
521669
531699
541723
551789
561873
571879
581933
591951
601999

[7,13,19,31,43,61,73,103,109,139,151,181,193,199,
 229,241,271,283,313,349,421,433,463,523,571,601,
 619,643,661,811,823,829,859,883,1021,1033,1051,
 1063,1093,1153,1231,1279,1291,1303,1321,1429,1453,
 1483,1489,1609,1621,1669,1699,1723,1789,1873,1879,
 1933,1951,1999]