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A106889号作为一个简单的表

n个a(n)
12
25
7
413
523
637
747
853
9103
10127
11157
12167
13173
14197
15223
16263
17277
18293
19317
20367
21373
22383
23397
24463
25487
26503
27557
28607
29613
30647
31653
32677
33727
34733
35743
36757
37773
38797
39823
40853
41863
42877
43887
44967
45983
46997
471013
481063
491087
501093
511103
521117

[2,5,7,13,23,37,47,53,103,127,157,167,173,197,223,263,277,293,317,367,373,383,397,463,487,503,557,607,613,647,653,677,727,733,743,757,773,797,823,853,863,877,887,967,983,997,1013,1063,1087,1093,1103,1117]