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A234345 as a simple table

na(n)
22
33
45
55
67
77
811
911
1013
1111
1213
1313
1417
1517
1619
1717
1819
1919
2023
2123
2231
2323
2429
2531
2629
2731
2837
2929
3031
3131
3241
3337
3437
3541
3641
3737
3847
3941
4043
4141
4243
4343
4447
4547
4661
4747
4853
4961
5053
5159
5261
5353
5461
5567
5659
5761
5873
5959
6061
6161
6271
6367
6467
6571
6671
6767
6883
6971
7073
7171
7273
7373

[2,3,5,5,7,7,11,11,13,11,13,13,17,17,19,17,19,19,
 23,23,31,23,29,31,29,31,37,29,31,31,41,37,37,41,
 41,37,47,41,43,41,43,43,47,47,61,47,53,61,53,59,
 61,53,61,67,59,61,73,59,61,61,71,67,67,71,71,67,
 83,71,73,71,73,73]