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A088470 as a simple table

na(n)
10
20
30
40
50
60
70
80
90
1090
1199
1219
1319
1419
1519
1619
1719
1819
1919
2090
2191
2299
2329
2429
2529
2629
2729
2829
2929
3090
3191
3292
3399
3439
3539
3639
3739
3839
3939
4090
4191
4292
4393
4499
4549
4649
4749
4849
4949
5090
5191
5292
5393
5494
5599
5659
5759
5859
5959
6090
6191
6292
6393
6494
6595
6699
6769
6869
6969

[0,0,0,0,0,0,0,0,0,90,99,19,19,19,19,19,19,19,19,
 90,91,99,29,29,29,29,29,29,29,90,91,92,99,39,39,
 39,39,39,39,90,91,92,93,99,49,49,49,49,49,90,91,
 92,93,94,99,59,59,59,59,90,91,92,93,94,95,99,69,
 69,69]