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A138795 as a simple table

n a(n)
1 2
2 3
3 4
4 5
5 6
6 7
7 8
8 9
9 1
10 110
11 2100
12 31000
13 410000
14 5100000
15 61000000
16 710000000
17 8100000000
18 91000000000
19 20000000000
20 1200000000000
21 22000000000000
22 320000000000000
23 4200000000000000
24 52000000000000000
25 620000000000000000

[2,3,4,5,6,7,8,9,1,110,2100,31000,410000,5100000,
 61000000,710000000,8100000000,91000000000,
 20000000000,1200000000000,22000000000000,
 320000000000000,4200000000000000,
 52000000000000000,620000000000000000]

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Last modified October 18 23:39 EDT 2019. Contains 328211 sequences. (Running on oeis4.)