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A179978 as a simple table

na(n)
11
22
33
44
55
66
77
88
99
1010
1111
1212
1313
1414
1515
1616
1717
1822
1923
2024
2125
2226
2318
2419
2520
2621
2727
2828
2929
3030
3131
3232
3333
3434
3535
3636
3737
3842
3943
4044
4145
4246
4338
4439
4540
4641
4747
4848
4949
5050
5151
5252
5353
5454
5555
5656
5757
5862
5963
6064
6165
6266
6358
6459
6560
6661
6767
6868
6969
7070
7171
7272

[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,22,23,
 24,25,26,18,19,20,21,27,28,29,30,31,32,33,34,35,
 36,37,42,43,44,45,46,38,39,40,41,47,48,49,50,51,
 52,53,54,55,56,57,62,63,64,65,66,58,59,60,61,67,
 68,69,70,71,72]