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A225680 as a simple table

na(n)
11
22
33
45
53
67
75
811
913
107
1115
1217
1319
147
1511
1623
1713
1829
1915
2031
2133
2217
2335
2437
2519
2613
2741
287
2943
3023
3147
3251
3353
3411
3519
3629
3759
3861
3931
4065
4133
4267
4369
4435
4571
4673
4737
4877
4913
5079
5141
5283
5385
5443
5587
5689
5791
5831
5947
6095
6197
62101
6351
64103
6535
6653
67107

[1,2,3,5,3,7,5,11,13,7,15,17,19,7,11,23,13,29,15,
 31,33,17,35,37,19,13,41,7,43,23,47,51,53,11,19,29,
 59,61,31,65,33,67,69,35,71,73,37,77,13,79,41,83,
 85,43,87,89,91,31,47,95,97,101,51,103,35,53,107]