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A051075 as a simple table

na(n)
12
23
311
443
559
683
789
8107
9113
10131
11179
12227
13233
14251
15257
16281
17283
18307
19347
20353
21419
22443
23467
24491
25499
26563
27587
28593
29601
30617
31643
32659
33683
34691
35739
36811
37827
38881
39947
40971
411019
421049
431051
441091
451097
461163
471187
481193
491217
501259
511283
521289
531307

[2,3,11,43,59,83,89,107,113,131,179,227,233,251,
 257,281,283,307,347,353,419,443,467,491,499,563,
 587,593,601,617,643,659,683,691,739,811,827,881,
 947,971,1019,1049,1051,1091,1097,1163,1187,1193,
 1217,1259,1283,1289,1307]