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A232109 as a simple table

na(n)
15
23
33
45
53
65
73
87
911
105
113
125
133
147
1517
165
173
185
193
207
2111
225
233
2423
2517
267
2711
285
293
305
313
3213
3311
347
3519
365
373
387
3917
405
413
425
433
447
4517
465
473
4823
4911
507
5111
525
533
5423
5517
567
5711
585
593
605
613
6231
6311
647
6519
665
673
687
6911
705
713
725
733
7413
7517
767
7719
785
793
807
8117
825
833
8423
8517
867
8711
885
893
9029
9111
9213
9311
947
9519
965
973
987
9911
1005

[5,3,3,5,3,5,3,7,11,5,3,5,3,7,17,5,3,5,3,7,11,5,3,
 23,17,7,11,5,3,5,3,13,11,7,19,5,3,7,17,5,3,5,3,7,
 17,5,3,23,11,7,11,5,3,23,17,7,11,5,3,5,3,31,11,7,
 19,5,3,7,11,5,3,5,3,13,17,7,19,5,3,7,17,5,3,23,17,
 7,11,5,3,29,11,13,11,7,19,5,3,7,11,5]