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A085379 as a simple table

na(n)
23
33
47
55
611
77
813
913
1017
1111
1223
1313
1423
1523
1631
1717
1837
1919
2041
2131
2223
2323
2459
2531
2641
2737
2853
2929
3071
3131
3261
3347
3453
3547
3689
3737
3859
3953
4089
4141
4289
4343
4483
4573
4671
4747
48113
497
5083
5171
5297
5353
54113
5571
56113
5779
5889
5959
60167
6161
6231
63103
64127
6583
66139
6767

[3,3,7,5,11,7,13,13,17,11,23,13,23,23,31,17,37,19,
 41,31,23,23,59,31,41,37,53,29,71,31,61,47,53,47,
 89,37,59,53,89,41,89,43,83,73,71,47,113,7,83,71,
 97,53,113,71,113,79,89,59,167,61,31,103,127,83,
 139,67]