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A285474 as a simple table

na(n)
01
111
2100
31111
410000
5111111
61000000
711111111
8100000000
91111111111
1010000000000
11111111111111
121000000000000
1311111111111111
14100000000000000
151111111111111111
1610000000000000000
17111111111111111111
181000000000000000000
1911111111111111111111

[1,11,100,1111,10000,111111,1000000,11111111,
 100000000,1111111111,10000000000,111111111111,
 1000000000000,11111111111111,100000000000000,
 1111111111111111,10000000000000000,
 111111111111111111,1000000000000000000,
 11111111111111111111]