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A259445 as a simple table

na(n)
11
22
33
42
55
66
77
82
99
1010
1111
126
1313
1414
1515
162
1717
1818
1919
2010
2121
2222
2323
246
2525
2626
2727
2814
2929
3030
3131
322
3333
3434
3535
3618
3737
3838
3939
4010
4141
4242
4343
4422
4545
4646
4747
486
4949
5050
5151
5226
5353
5454
5555
5614
5757
5858
5959
6030
6161
6262
6363
642
6565
6666
6767
6834

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