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A166561 as a simple table

na(n)
12
211
313
419
531
637
773
879
997
10101
11103
12109
13127
14163
15181
16211
17271
18277
19307
20349
21367
22433
23439
24457
25499
26523
27541
28547
29613
30619
31631
32673
33691
34709
35727
36769
37787
38811
39853
40859
41877
42907
43967
441009

[2,11,13,19,31,37,73,79,97,101,103,109,127,163,
 181,211,271,277,307,349,367,433,439,457,499,523,
 541,547,613,619,631,673,691,709,727,769,787,811,
 853,859,877,907,967,1009]