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A134197 as a simple table

na(n)
13
27
313
423
531
647
761
873
989
10103
11113
12131
13139
14151
15167
16181
17193
18199
19233
20241
21271
22293
23317
24337
25359
26389
27409
28421
29433
30449
31467
32491
33509
34523
35547
36577
37601
38619
39647
40661
41691
42709
43743
44761
45773
46797
47811
48823
49839
50863
51887
52919
53941
54953

[3,7,13,23,31,47,61,73,89,103,113,131,139,151,167,
 181,193,199,233,241,271,293,317,337,359,389,409,
 421,433,449,467,491,509,523,547,577,601,619,647,
 661,691,709,743,761,773,797,811,823,839,863,887,
 919,941,953]