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A106018 as a simple table

na(n)
12
25
37
423
597
6107
7127
8167
9223
10257
11317
12337
13383
14397
15443
16587
17593
18643
19677
20757
21883
221087
231093
241163
251303
261427
271637
281657
291667
301913
311987
322143
332267
342347
352437
362473
372647
382683
393187
403253
413313
423373
433673
443793
454397
464517
474583

[2,5,7,23,97,107,127,167,223,257,317,337,383,397,
 443,587,593,643,677,757,883,1087,1093,1163,1303,
 1427,1637,1657,1667,1913,1987,2143,2267,2347,2437,
 2473,2647,2683,3187,3253,3313,3373,3673,3793,4397,
 4517,4583]