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A002374 as a simple table

na(n)
33
43
55
65
77
85
97
107
1111
1211
1313
1411
1513
1613
1717
1817
1919
2017
2119
2213
2323
2419
2519
2623
2723
2819
2929
3029
3131
3223
3329
3431
3529
3631
3737
3829
3937
4037
4141
4241
4343
4441
4543
4631
4747
4843
4937
5047
5143
5243
5353
5447
5543
5653
5753
5843
5959
6059
6161
6253
6359
6461
6559
6661
6767
6853
6967
7067
7171
7271
7373
7459

[3,3,5,5,7,5,7,7,11,11,13,11,13,13,17,17,19,17,19,
 13,23,19,19,23,23,19,29,29,31,23,29,31,29,31,37,
 29,37,37,41,41,43,41,43,31,47,43,37,47,43,43,53,
 47,43,53,53,43,59,59,61,53,59,61,59,61,67,53,67,
 67,71,71,73,59]