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A038905 as a simple table

na(n)
12
23
35
411
523
631
741
843
979
1083
1197
12101
13109
14113
15127
16139
17149
18151
19157
20167
21173
22179
23193
24199
25223
26233
27239
28251
29257
30263
31271
32281
33293
34317
35331
36347
37349
38367
39373
40383
41397
42421
43463
44487
45491

[2,3,5,11,23,31,41,43,79,83,97,101,109,113,127,
 139,149,151,157,167,173,179,193,199,223,233,239,
 251,257,263,271,281,293,317,331,347,349,367,373,
 383,397,421,463,487,491]