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A066670 as a simple table

na(n)
13
23
35
43
53
63
73
85
911
105
113
123
137
145
153
163
173
185
193
205
213
2211
2323
245
253
2613
275
283
297
3029
313
325
3311
343
353
365
373
385
3941
403
417
425
4311
443
4511
4623
473
485
493
503
5113
5253
535
543
557
5611
577
5829
593
605
613
625
6317
6411
653
6623
673
687
6937
705
713
723
7313
745
755
7641
7783
783
7943
807
815
8229
8311
8489
853
8611
875
8823
893
903

[3,3,5,3,3,3,3,5,11,5,3,3,7,5,3,3,3,5,3,5,3,11,23,
 5,3,13,5,3,7,29,3,5,11,3,3,5,3,5,41,3,7,5,11,3,11,
 23,3,5,3,3,13,53,5,3,7,11,7,29,3,5,3,5,17,11,3,23,
 3,7,37,5,3,3,13,5,5,41,83,3,43,7,5,29,11,89,3,11,
 5,23,3,3]