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A122870 as a simple table

na(n)
13
27
323
443
547
667
783
8103
9107
10127
11163
12167
13223
14227
15263
16283
17307
18347
19367
20383
21443
22463
23467
24487
25503
26523
27547
28563
29587
30607
31643
32647
33683
34727
35743
36787
37823
38827
39863
40883
41887
42907
43947
44967
45983
461063
471087
481103
491123
501163
511187
521223

[3,7,23,43,47,67,83,103,107,127,163,167,223,227,
 263,283,307,347,367,383,443,463,467,487,503,523,
 547,563,587,607,643,647,683,727,743,787,823,827,
 863,883,887,907,947,967,983,1063,1087,1103,1123,
 1163,1187,1223]