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A321790 as a simple table

na(n)
13
23
33
45
53
67
73
83
95
105
117
123
133
143
153
163
173
187
193
203
213
227
233
245
253
263
273
283
293
303
313
327
333
343
355
363
373
383
393
4013
413
423
433
443
455
463
473
483
493
507
513
523
5313
545
553
567
573
583
593
603
613
627
633
643
653
663
673
6811
693
705
715
723
733
743
755
765
773
785
797
805
815
823
8313
843
853

[3,3,3,5,3,7,3,3,5,5,7,3,3,3,3,3,3,7,3,3,3,7,3,5,
 3,3,3,3,3,3,3,7,3,3,5,3,3,3,3,13,3,3,3,3,5,3,3,3,
 3,7,3,3,13,5,3,7,3,3,3,3,3,7,3,3,3,3,3,11,3,5,5,3,
 3,3,5,5,3,5,7,5,5,3,13,3,3]