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A187371 as a simple table

na(n)
11
21
31
41
51
61
73
83
91
101
115
125
133
149
157
161
175
181
193
2019
219
2211
237
241
2511
261
2727
2825
299
3011
313
321
3321
3419
351
3619
373
381
397
409
419
423
4327
445
451
465
475
487
493
501
5141
521
539
5417
551
5611
571
5827
593
60105
6133
6215
6323
6429
6519
6643
6737
6815
693
7011
7127
729
7357
745
753
763
7735

[1,1,1,1,1,1,3,3,1,1,5,5,3,9,7,1,5,1,3,19,9,11,7,
 1,11,1,27,25,9,11,3,1,21,19,1,19,3,1,7,9,9,3,27,5,
 1,5,5,7,3,1,41,1,9,17,1,11,1,27,3,105,33,15,23,29,
 19,43,37,15,3,11,27,9,57,5,3,3,35]