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A369690 as a simple table

na(n)
12
23
32
43
52
65
72
83
92
105
112
125
132
147
155
163
172
185
192
205
217
2211
232
245
252
2613
272
287
292
307
312
323
3311
3417
357
365
372
3819
3913
405
412
425
432
4411
455
4623
472
485
492
505
5117
5213
532
545
5511
567
5719
5829
592
607
612
6231
637
643
6513
665
672
6817
6923
705
712
725
732
7437
755
7619
7711
785
792
805
812

[2,3,2,3,2,5,2,3,2,5,2,5,2,7,5,3,2,5,2,5,7,11,2,5,
 2,13,2,7,2,7,2,3,11,17,7,5,2,19,13,5,2,5,2,11,5,
 23,2,5,2,5,17,13,2,5,11,7,19,29,2,7,2,31,7,3,13,5,
 2,17,23,5,2,5,2,37,5,19,11,5,2,5,2]