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A247765 as a simple table

na(n)
12
22
36
42
54
62
74
820
92
103
112
123
1342
142
153
1624
172
183
1918
202
213
2215
232
243
2514
26231
272
283
2912
302
313
3212
33156
342
353
3611
37231
382
393
4010
412
423
4310
44240
452
463
4710
48128
4932640
502
513
529
532
543
559
56342
572
583
599
60180
612
623
639
64126
652
663
679
6899
692
703
719
7283
7334362

[2,2,6,2,4,2,4,20,2,3,2,3,42,2,3,24,2,3,18,2,3,15,
 2,3,14,231,2,3,12,2,3,12,156,2,3,11,231,2,3,10,2,
 3,10,240,2,3,10,128,32640,2,3,9,2,3,9,342,2,3,9,
 180,2,3,9,126,2,3,9,99,2,3,9,83,34362]