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A066039 as a simple table

na(n)
12
25
37
417
523
641
753
873
997
10127
11157
12197
13233
14281
15317
16379
17439
18499
19563
20631
21709
22787
23863
24953
251051
261153
271259
281367
291471
301583
311709
321847
331987
342113
352273
362423
372579
382741
392909
403083
413259
423433
433637
443823
454027
464219
474423
484657

[2,5,7,17,23,41,53,73,97,127,157,197,233,281,317,
 379,439,499,563,631,709,787,863,953,1051,1153,
 1259,1367,1471,1583,1709,1847,1987,2113,2273,2423,
 2579,2741,2909,3083,3259,3433,3637,3823,4027,4219,
 4423,4657]