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A061771 as a simple table

na(n)
12
23
35
47
511
613
717
819
929
1037
1141
1243
1359
1467
1571
1679
1789
1897
19101
20103
21107
22109
23127
24137
25149
26163
27179
28191
29193
30197
31223
32227
33229
34239
35269
36277
37281
38307
39311
40313
41347
42349
43359
44379
45389
46397
47401
48419
49431
50439
51449
52457
53461
54463
55479
56487
57491

[2,3,5,7,11,13,17,19,29,37,41,43,59,67,71,79,89,
 97,101,103,107,109,127,137,149,163,179,191,193,
 197,223,227,229,239,269,277,281,307,311,313,347,
 349,359,379,389,397,401,419,431,439,449,457,461,
 463,479,487,491]