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A235631 as a simple table

na(n)
12
23
35
411
513
623
729
831
943
1061
1171
1279
1389
14107
15109
16113
17137
18139
19163
20173
21193
22223
23239
24251
25271
26281
27283
28313
29317
30347
31383
32431
33439
34461
35467
36491
37499
38541
39557
40593
41607
42641
43659
44661
45691
46701
47743
48761
49853
50863
51881
52919
53971
54997
551013
561031
571051
581061
591063

[2,3,5,11,13,23,29,31,43,61,71,79,89,107,109,113,
 137,139,163,173,193,223,239,251,271,281,283,313,
 317,347,383,431,439,461,467,491,499,541,557,593,
 607,641,659,661,691,701,743,761,853,863,881,919,
 971,997,1013,1031,1051,1061,1063]