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A154756 as a simple table

na(n)
17
213
319
461
573
679
7103
8109
9127
10139
11151
12163
13193
14199
15211
16241
17271
18307
19337
20349
21373
22409
23421
24523
25541
26547
27571
28607
29613
30673
31739
32757
33769
34787
35811
36853
37877
38883
39907
40919
41937
42967
43991
441009
451033
461063
471087
481117
491123
501129
511201

[7,13,19,61,73,79,103,109,127,139,151,163,193,199,
 211,241,271,307,337,349,373,409,421,523,541,547,
 571,607,613,673,739,757,769,787,811,853,877,883,
 907,919,937,967,991,1009,1033,1063,1087,1117,1123,
 1129,1201]