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A204847 as a simple table

na(n)
11
211
3111
4101
511111
691
71111111
810001
9333667
109091
1111111111111
129901
131111111111111
14909091
1590090991
16100000001
1711111111111111111
18999001
191111111111111111111
2099009901
21900900990991
22826446281
2311111111111111111111111
2499990001
25100001000010000100001

[1,11,111,101,11111,91,1111111,10001,333667,9091,
 11111111111,9901,1111111111111,909091,90090991,
 100000001,11111111111111111,999001,
 1111111111111111111,99009901,900900990991,
 826446281,11111111111111111111111,99990001,
 100001000010000100001]