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A046218 as a simple table

na(n)
11
21
31
41
51
61
71
83
93
101
111
125
133
145
151
161
177
1811
1911
207
211
221
239
249
2511
269
279
281
291
3011
3127
3220
3320
3427
3511
361
371
3813
3919
4067
4140
4267
4319
4413
451
461
4715
4851
49105
50147
51147
52105
5351
5415
551
561
5717
5833
5978
60126
61147
62126
6378
6433
6517
661
671
6819
6983
70111
71204

[1,1,1,1,1,1,1,3,3,1,1,5,3,5,1,1,7,11,11,7,1,1,9,
 9,11,9,9,1,1,11,27,20,20,27,11,1,1,13,19,67,40,67,
 19,13,1,1,15,51,105,147,147,105,51,15,1,1,17,33,
 78,126,147,126,78,33,17,1,1,19,83,111,204]