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A302589 as a simple table

na(n)
11
22
33
44
55
66
77
88
99
1010
1120
1211
1313
1412
1514
1616
1715
1817
1919
2018
2121
2222
2323
2424
2525
2626
2727
2828
2929
3030
3140
3231
3332
3433
3534
3635
3736
3837
3938
4039
4141
4242
4343
4444
4545
4646
4747
4848
4949
5050
5160
5251
5352
5453
5554
5655
5756
5857
5958
6059
6161
6262
6363
6464
6565
6666
6767
6868
6969
7070
7180
7271
7372
7473
7574
7675
7776
7877

[1,2,3,4,5,6,7,8,9,10,20,11,13,12,14,16,15,17,19,
 18,21,22,23,24,25,26,27,28,29,30,40,31,32,33,34,
 35,36,37,38,39,41,42,43,44,45,46,47,48,49,50,60,
 51,52,53,54,55,56,57,58,59,61,62,63,64,65,66,67,
 68,69,70,80,71,72,73,74,75,76,77]