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A309701 as a simple table

na(n)
12
23
311
429
559
697
7151
8193
9211
10223
11239
12281
13307
14311
15331
16337
17479
18541
19593
20613
21631
22641
23659
24877
25881
26907
27911
28997
291409
301861
311907
322267
332281
342287
352309
362311
372503
382579
392609
402617
412657
422671
432677
443671
453691
463697
473727
483761
493767
503793
513797
524201
534327
544357
554391
564397
574507
584721
594751
604909

[2,3,11,29,59,97,151,193,211,223,239,281,307,311,
 331,337,479,541,593,613,631,641,659,877,881,907,
 911,997,1409,1861,1907,2267,2281,2287,2309,2311,
 2503,2579,2609,2617,2657,2671,2677,3671,3691,3697,
 3727,3761,3767,3793,3797,4201,4327,4357,4391,4397,
 4507,4721,4751,4909]