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A139811 as a simple table

na(n)
119
243
347
461
573
679
783
889
9109
10113
11137
12139
13157
14167
15181
16197
17199
18211
19229
20233
21239
22241
23271
24281
25283
26293
27313
28317
29353
30359
31383
32389
33401
34439
35443
36449
37463
38467
39503
40509
41521
42523

[19,43,47,61,73,79,83,89,109,113,137,139,157,167,
 181,197,199,211,229,233,239,241,271,281,283,293,
 313,317,353,359,383,389,401,439,443,449,463,467,
 503,509,521,523]