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A031336 as a simple table

na(n)
15
213
323
437
547
661
773
889
9103
10113
11137
12151
13167
14181
15197
16223
17233
18251
19269
20281
21307
22317
23347
24359
25379
26397
27419
28433
29449
30463
31487
32503
33523
34557
35571
36593
37607
38619
39643
40659
41677
42701
43727
44743
45761
46787
47811
48827
49853
50863
51883
52911

[5,13,23,37,47,61,73,89,103,113,137,151,167,181,
 197,223,233,251,269,281,307,317,347,359,379,397,
 419,433,449,463,487,503,523,557,571,593,607,619,
 643,659,677,701,727,743,761,787,811,827,853,863,
 883,911]