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A175438 as a simple table

na(n)
12
23
35
47
513
617
719
823
929
1037
1141
1243
1347
1459
1561
1667
1779
1883
1989
20103
21107
22109
23127
24137
25139
26149
27157
28163
29167
30179
31239
32241
33257
34263
35269
36281
37283
38307
39347
40349
41359
42367
43379
44389
45419
46439
47457
48461
49463
50467
51479
52487
53509
54547
55569
56587
57613

[2,3,5,7,13,17,19,23,29,37,41,43,47,59,61,67,79,
 83,89,103,107,109,127,137,139,149,157,163,167,179,
 239,241,257,263,269,281,283,307,347,349,359,367,
 379,389,419,439,457,461,463,467,479,487,509,547,
 569,587,613]