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A215105 as a simple table

na(n)
12
23
35
441
543
659
779
897
9157
10173
11193
12211
13233
14269
15271
16307
17347
18383
19401
20421
21439
22461
23499
24613
25727
26743
27839
28857
29877
30953
31971
32991
331009
341031
351069
361123
371181
381237
391259
401297
411373
421409
431427
441447
451487
461523
471579
481601
491637
501693

[2,3,5,41,43,59,79,97,157,173,193,211,233,269,271,
 307,347,383,401,421,439,461,499,613,727,743,839,
 857,877,953,971,991,1009,1031,1069,1123,1181,1237,
 1259,1297,1373,1409,1427,1447,1487,1523,1579,1601,
 1637,1693]