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A069902 as a simple table

na(n)
11
23
33
45
55
67
77
83
95
1011
1111
1213
1313
147
155
1617
1717
1819
1919
207
2111
2223
2323
245
2513
2613
277
2829
2929
3031
3131
3211
3317
3417
357
3637
3737
3819
3913
4041
4141
4243
4343
4411
4523
4647
4747
487
497
5017
5117
5253
5353
5411
5511
5619
5729
5859
5959
6061
6161
6231
637
6413
6513
6667

[1,3,3,5,5,7,7,3,5,11,11,13,13,7,5,17,17,19,19,7,
 11,23,23,5,13,13,7,29,29,31,31,11,17,17,7,37,37,
 19,13,41,41,43,43,11,23,47,47,7,7,17,17,53,53,11,
 11,19,29,59,59,61,61,31,7,13,13,67]