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A337855 as a simple table

n a(n)
1 0
2 2
3 18
4 180
5 1800
6 18000
7 180000
8 1800000
9 18000000
10 180000000
11 1800000000
12 18000000000
13 180000000000
14 1800000000000
15 18000000000000
16 180000000000000
17 1800000000000000
18 18000000000000000
19 180000000000000000
20 1800000000000000000
21 18000000000000000000
22 180000000000000000000

[0,2,18,180,1800,18000,180000,1800000,18000000,
 180000000,1800000000,18000000000,180000000000,
 1800000000000,18000000000000,180000000000000,
 1800000000000000,18000000000000000,
 180000000000000000,1800000000000000000,
 18000000000000000000,180000000000000000000]

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Last modified May 22 21:38 EDT 2024. Contains 372758 sequences. (Running on oeis4.)