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A141173 as a simple table

na(n)
13
27
319
431
547
659
783
8103
9131
10139
11167
12199
13223
14227
15251
16271
17283
18307
19311
20367
21383
22419
23439
24467
25479
26503
27523
28563
29587
30607
31619
32643
33647
34691
35719
36727
37787
38811
39839
40859
41887
42971
43983
441039
451063
461091
471123
481151
491223
501231
511259
521279
531291
541307
551319
561399
571427

[3,7,19,31,47,59,83,103,131,139,167,199,223,227,
 251,271,283,307,311,367,383,419,439,467,479,503,
 523,563,587,607,619,643,647,691,719,727,787,811,
 839,859,887,971,983,1039,1063,1091,1123,1151,1223,
 1231,1259,1279,1291,1307,1319,1399,1427]