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A327498 as a simple table

na(n)
11
22
33
44
55
63
77
88
99
105
1111
1212
1313
147
155
1616
1717
1818
1919
2020
217
2211
2323
2424
2525
2613
2727
2828
2929
305
3131
3232
3311
3417
357
3618
3737
3819
3913
4040
4141
427
4343
4444
4545
4623
4747
4848
4949
5050
5117
5252
5353
5454
5511
5656
5719
5829
5959
6020
6161
6231
6363
6464
6513
6611
6767
6868
6923

[1,2,3,4,5,3,7,8,9,5,11,12,13,7,5,16,17,18,19,20,
 7,11,23,24,25,13,27,28,29,5,31,32,11,17,7,18,37,
 19,13,40,41,7,43,44,45,23,47,48,49,50,17,52,53,54,
 11,56,19,29,59,20,61,31,63,64,13,11,67,68,23]