login

A231155 as a simple table

na(n)
29
388
4999
59999
677777
7999999
89999999
988888888
10999999999
119999999999
1277777777777
13999999999999
149999999999999
1588888888888888
16999999999999999
179999999999999999
1877777777777777777
19999999999999999999
209999999999999999999

[9,88,999,9999,77777,999999,9999999,88888888,
 999999999,9999999999,77777777777,999999999999,
 9999999999999,88888888888888,999999999999999,
 9999999999999999,77777777777777777,
 999999999999999999,9999999999999999999]