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A038925 as a simple table

na(n)
12
23
35
47
523
637
741
853
959
1061
1173
1279
13103
14109
15131
16139
17149
18157
19163
20179
21181
22191
23193
24199
25211
26229
27233
28257
29263
30293
31307
32331
33347
34353
35359
36367
37373
38383
39389
40409
41421
42431
43443
44449
45479
46491

[2,3,5,7,23,37,41,53,59,61,73,79,103,109,131,139,
 149,157,163,179,181,191,193,199,211,229,233,257,
 263,293,307,331,347,353,359,367,373,383,389,409,
 421,431,443,449,479,491]