login

A101564 as a simple table

na(n)
01
19
299
3991
49999
5100091
61000001
79999009
8100000099
91000009991
1010000000001
11100000099109
121000000000001
139999999000009
14100000000010099
15999999990000991
169999999999999999
17100000000100100091

[1,9,99,991,9999,100091,1000001,9999009,100000099,
 1000009991,10000000001,100000099109,1000000000001,
 9999999000009,100000000010099,999999990000991,
 9999999999999999,100000000100100091]