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A171025 as a simple table

na(n)
15
23
32
47
511
613
717
819
953
1059
1131
1237
1341
1443
1547
1623
1729
1861
1967
2071
2173
2279
2383
2489
2597
26101
27103
28107
29109
30113
31157
32131
33137
34139
35149
36121
37127
38163
39167
40173
41179
42181
43191
44193
45197
46199
47511
48553
49557
50559
51533
52539
53541
54521
55527
56563

[5,3,2,7,11,13,17,19,53,59,31,37,41,43,47,23,29,
 61,67,71,73,79,83,89,97,101,103,107,109,113,157,
 131,137,139,149,121,127,163,167,173,179,181,191,
 193,197,199,511,553,557,559,533,539,541,521,527,
 563]