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A105895 as a simple table

na(n)
12
25
37
417
519
643
767
883
989
1097
11107
12113
13137
14149
15181
16191
17199
18227
19229
20251
21263
22281
23283
24293
25337
26359
27367
28383
29389
30401
31419
32421
33431
34433
35457
36467
37479
38503
39521
40523
41557
42563
43569
44617
45619
46631
47641
48643
49659
50661
51677
52709
53733
54743
55751
56769
57773

[2,5,7,17,19,43,67,83,89,97,107,113,137,149,181,
 191,199,227,229,251,263,281,283,293,337,359,367,
 383,389,401,419,421,431,433,457,467,479,503,521,
 523,557,563,569,617,619,631,641,643,659,661,677,
 709,733,743,751,769,773]