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A065883 as a simple table

na(n)
11
22
33
41
55
66
77
82
99
1010
1111
123
1313
1414
1515
161
1717
1818
1919
205
2121
2222
2323
246
2525
2626
2727
287
2929
3030
3131
322
3333
3434
3535
369
3737
3838
3939
4010
4141
4242
4343
4411
4545
4646
4747
483
4949
5050
5151
5213
5353
5454
5555
5614
5757
5858
5959
6015
6161
6262
6363
641
6565
6666
6767
6817
6969
7070
7171
7218
7373
7474
7575

[1,2,3,1,5,6,7,2,9,10,11,3,13,14,15,1,17,18,19,5,
 21,22,23,6,25,26,27,7,29,30,31,2,33,34,35,9,37,38,
 39,10,41,42,43,11,45,46,47,3,49,50,51,13,53,54,55,
 14,57,58,59,15,61,62,63,1,65,66,67,17,69,70,71,18,
 73,74,75]