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A258091 as a simple table

na(n)
15
23
373
43
55
63
77
83
95
103
1113
123
135
143
1519
163
175
183
197
203
215
223
2313
243
255
263
2737
283
295
303
317
323
335
343
3513
363
375
383
3971
403
415
423
437
443
455
463
4713
483
495
503
5119
523
535
543
557
563
575
583
5913
603
615
623
6337
643
655
663
677
683
695
703
7113
723
735
743
7573
763
775
783
797
803
815
823

[5,3,73,3,5,3,7,3,5,3,13,3,5,3,19,3,5,3,7,3,5,3,
 13,3,5,3,37,3,5,3,7,3,5,3,13,3,5,3,71,3,5,3,7,3,5,
 3,13,3,5,3,19,3,5,3,7,3,5,3,13,3,5,3,37,3,5,3,7,3,
 5,3,13,3,5,3,73,3,5,3,7,3,5,3]