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A250246 as a simple table

na(n)
11
22
33
44
55
66
77
88
99
1010
1111
1212
1313
1414
1515
1616
1717
1818
1919
2020
2127
2222
2323
2424
2525
2626
2721
2828
2929
3030
3131
3232
3345
3434
3535
3636
3737
3838
3933
4040
4141
4254
4343
4444
4581
4646
4747
4848
4949
5050
5175
5252
5353
5442
55125
5656
5763
5858
5959
6060
6161
6262
6339
6464
6555
6690
6767
6868
69135
7070
7171
7272
7373
7474
7551
7676
7777
7866
7979
8080
8199
8282
8383

[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,
 20,27,22,23,24,25,26,21,28,29,30,31,32,45,34,35,
 36,37,38,33,40,41,54,43,44,81,46,47,48,49,50,75,
 52,53,42,125,56,63,58,59,60,61,62,39,64,55,90,67,
 68,135,70,71,72,73,74,51,76,77,66,79,80,99,82,83]