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A215385 as a simple table

na(n)
12
23
341
459
579
697
7101
8139
9173
10191
11193
12211
13229
14269
15307
16367
17383
18401
19419
20421
21439
22443
23457
24557
25571
26647
27709
28743
29761
30823
31839
32857
33877
34937
35953
36971
37991
381009
391013
401051
411103
421123
431181
441217
451237
461279
471409
481427
491447
501483

[2,3,41,59,79,97,101,139,173,191,193,211,229,269,
 307,367,383,401,419,421,439,443,457,557,571,647,
 709,743,761,823,839,857,877,937,953,971,991,1009,
 1013,1051,1103,1123,1181,1217,1237,1279,1409,1427,
 1447,1483]