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A164570 as a simple table

na(n)
12
25
37
413
547
6103
7107
8127
9163
10233
11293
12337
13383
14433
15443
16467
17503
18673
19677
20733
21797
22877
231087
241093
251153
261217
271223
281307
291637
301933
312053
322087
332137
342423
352477
362543
372633
382687
392857
402917
413163
423373
433407
443467
453767
463793
473877

[2,5,7,13,47,103,107,127,163,233,293,337,383,433,
 443,467,503,673,677,733,797,877,1087,1093,1153,
 1217,1223,1307,1637,1933,2053,2087,2137,2423,2477,
 2543,2633,2687,2857,2917,3163,3373,3407,3467,3767,
 3793,3877]