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A162961 as a simple table

na(n)
11
22
33
44
55
62
77
88
99
104
1111
123
1313
146
155
1616
1717
188
1919
204
216
2210
2323
248
2525
2612
2727
287
2929
303
3131
3232
3311
3416
3514
368
3737
3818
3912
4015
4141
426
4343
4411
459
4622
4747
4815
4949
5024
5117
5212
5353
5426
5510
567
5718
5828
5959
603
6161
6230
6327
6464
6525
669
6767
6816
6923
705
7171
728

[1,2,3,4,5,2,7,8,9,4,11,3,13,6,5,16,17,8,19,4,6,
 10,23,8,25,12,27,7,29,3,31,32,11,16,14,8,37,18,12,
 15,41,6,43,11,9,22,47,15,49,24,17,12,53,26,10,7,
 18,28,59,3,61,30,27,64,25,9,67,16,23,5,71,8]