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A194638 as a simple table

na(n)
12
22
311
413
517
623
753
829
967
1037
1141
1247
13101
1453
1559
1661
1767
1871
1973
2079
2183
22173
2389
24751
2597
26101
27107
28109
29113
301889
31487
32127
33131
34269
35137
36283
37293
38149
39307
40157
41163
42167
431361
44173
45179
46181
47373
48191
49193
50197
51809
52823
53211
54857
556977
56223
57227

[2,2,11,13,17,23,53,29,67,37,41,47,101,53,59,61,
 67,71,73,79,83,173,89,751,97,101,107,109,113,1889,
 487,127,131,269,137,283,293,149,307,157,163,167,
 1361,173,179,181,373,191,193,197,809,823,211,857,
 6977,223,227]