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A131687 as a simple table

na(n)
1101
2103
3107
4109
5113
6127
7131
8211
9223
10227
11229
12307
13311
14313
15317
16331
17401
18409
19419
20421
21503
22509
23521
24523
25601
26607
27613
28617
29619
30701
31709
32719
33727
34809
35811
36821
37823
38827
39829
40907
41911
42919
43929
441009
451013
461019
471021
481031
491103
501109
511117
521123
531129
541201
551213
561217
571223
581229
591231

[101,103,107,109,113,127,131,211,223,227,229,307,
 311,313,317,331,401,409,419,421,503,509,521,523,
 601,607,613,617,619,701,709,719,727,809,811,821,
 823,827,829,907,911,919,929,1009,1013,1019,1021,
 1031,1103,1109,1117,1123,1129,1201,1213,1217,1223,
 1229,1231]