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A295706 as a simple table

na(n)
17
217
323
437
547
659
783
889
9107
10113
11127
12131
13149
14163
15173
16257
17353
18433
19439
20457
21467
22521
23563
24761
25773
26839
27881
28953
291009
301031
311213
321307
331319
341321
351697
361733
371759
381811
391861
401871
411913
421979
432153
442221
452281
462287
472309
482393
492593
502767
512789

[7,17,23,37,47,59,83,89,107,113,127,131,149,163,
 173,257,353,433,439,457,467,521,563,761,773,839,
 881,953,1009,1031,1213,1307,1319,1321,1697,1733,
 1759,1811,1861,1871,1913,1979,2153,2221,2281,2287,
 2309,2393,2593,2767,2789]