login

A145875 as a simple table

na(n)
11
29
355
499
5999
67777
79999
822222
999999
10999999
114444444
129999999
1388888888
1499999999
15999999999
161111111111

[1,9,55,99,999,7777,9999,22222,99999,999999,
 4444444,9999999,88888888,99999999,999999999,
 1111111111]