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A164952 as a simple table

na(n)
12
23
311
417
523
629
741
843
959
1061
1171
1273
1379
1497
15101
16103
17107
18131
19137
20149
21151
22163
23167
24179
25191
26193
27223
28227
29229
30239
31251
32257
33269
34271
35277
36281
37311
38331
39347
40349
41353
42359
43367
44373
45383
46397
47419
48421
49431
50433
51439
52457
53461
54463
55479
56491

[2,3,11,17,23,29,41,43,59,61,71,73,79,97,101,103,
 107,131,137,149,151,163,167,179,191,193,223,227,
 229,239,251,257,269,271,277,281,311,331,347,349,
 353,359,367,373,383,397,419,421,431,433,439,457,
 461,463,479,491]