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A299171 as a simple table

na(n)
12
23
35
47
511
613
717
819
923
1029
1131
1241
1347
1453
1559
1671
1779
1883
1989
2097
21107
22127
23137
24139
25149
26167
27179
28191
29199
30223
31229
32239
33251
34269
35293
36349
37359
38367
39383
40419
41431
42449
43479
44499
45503
46587
47593
48599
49643
50647
51719
52809
53827
54839
55863
56881
57919

[2,3,5,7,11,13,17,19,23,29,31,41,47,53,59,71,79,
 83,89,97,107,127,137,139,149,167,179,191,199,223,
 229,239,251,269,293,349,359,367,383,419,431,449,
 479,499,503,587,593,599,643,647,719,809,827,839,
 863,881,919]