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A124167 formatted as a simple table:

n a(n)
0 0
1 90
2 990
3 9990
4 99990
5 999990
6 9999990
7 99999990
8 999999990
9 9999999990
10 99999999990
11 999999999990
12 9999999999990
13 99999999999990
14 999999999999990
15 9999999999999990
16 99999999999999990
17 999999999999999990

[0,90,990,9990,99990,999990,9999990,99999990,
 999999990,9999999990,99999999990,999999999990,
 9999999999990,99999999999990,999999999999990,
 9999999999999990,99999999999999990,
 999999999999999990]

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Last modified November 27 14:50 EST 2009. Contains 167570 sequences.


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