login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A093227
as a simple table
n
a(n)
1
0
2
81
3
97297
4
9990999
5
999009990
6
99997299997
7
9999990999999
8
999999009999990
[0,81,97297,9990999,999009990,99997299997, 9999990999999,999999009999990]