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A291784 as a simple table

na(n)
11
22
33
44
55
67
77
88
99
1011
1111
1214
1313
1415
1516
1616
1717
1821
1919
2022
2122
2223
2323
2428
2525
2627
2727
2830
2929
3040
3131
3232
3334
3435
3536
3642
3737
3839
3940
4044
4141
4254
4343
4446
4548
4647
4747
4856
4949
5055
5152
5254
5353
5463
5556
5660
5758

[1,2,3,4,5,7,7,8,9,11,11,14,13,15,16,16,17,21,19,
 22,22,23,23,28,25,27,27,30,29,40,31,32,34,35,36,
 42,37,39,40,44,41,54,43,46,48,47,47,56,49,55,52,
 54,53,63,56,60,58]