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A239086 as a simple table

na(n)
11
22
33
44
55
66
77
88
99
1010
1112
1211
1313
1414
1515
1616
1717
1818
1919
2020
2121
2223
2322
2424
2525
2626
2727
2828
2929
3030
3131
3232
3334
3433
3535
3636
3737
3838
3939
4040
4141
4242
4343
4445
4544
4646
4747
4848
4949
5050
5151
5252
5353
5454
5556
5655
5757
5858
5959
6060
6161
6262
6363
6464
6565
6667
6766
6868

[1,2,3,4,5,6,7,8,9,10,12,11,13,14,15,16,17,18,19,
 20,21,23,22,24,25,26,27,28,29,30,31,32,34,33,35,
 36,37,38,39,40,41,42,43,45,44,46,47,48,49,50,51,
 52,53,54,56,55,57,58,59,60,61,62,63,64,65,67,66,
 68]