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A343556 as a simple table

na(n)
22
32
43
52
63
72
83
92
105
112
123
132
147
1515
163
172
183
192
205
217
2211
232
243
252
2613
272
287
292
3015
312
323
3333
3417
3535
363
372
3819
3913
405
412
427
432
4411
4515
4623
472
483
492
505
5151
5213
532
543
5511
567
5719
5829
592
6015
612
6231
637
643
6565
6633
672
6817
6969
7035
712
723
732
7437
7515
7619
7777
7813

[2,2,3,2,3,2,3,2,5,2,3,2,7,15,3,2,3,2,5,7,11,2,3,
 2,13,2,7,2,15,2,3,33,17,35,3,2,19,13,5,2,7,2,11,
 15,23,2,3,2,5,51,13,2,3,11,7,19,29,2,15,2,31,7,3,
 65,33,2,17,69,35,2,3,2,37,15,19,77,13]