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A197504 as a simple table

na(n)
11
23
37
49
511
619
723
827
931
1043
1147
1249
1359
1467
1571
1679
1781
1883
19103
20107
21121
22127
23131
24139
25151
26163
27167
28179
29191
30199
31211
32223
33227
34239
35243
36251
37263
38271
39283
40307
41311
42331
43343
44347
45359
46361
47367
48379
49383
50419
51431
52439
53443
54463
55467
56479
57487
58491
59499
60503
61523
62529

[1,3,7,9,11,19,23,27,31,43,47,49,59,67,71,79,81,
 83,103,107,121,127,131,139,151,163,167,179,191,
 199,211,223,227,239,243,251,263,271,283,307,311,
 331,343,347,359,361,367,379,383,419,431,439,443,
 463,467,479,487,491,499,503,523,529]