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A068172 as a simple table

n a(n)
1 7
2 17
3 107
4 1087
5 10487
6 104087
7 1024087
8 10024087
9 100024087
10 1000124087
11 10001240087
12 100012400837
13 1000124008327
14 10000124008327
15 100001124008327
16 1000011224008327
17 10000110224008327
18 100001100224008327
19 1000010100224008327
20 10000101002240083271
21 100001010022400283271
22 1000010100221400283271

[7,17,107,1087,10487,104087,1024087,10024087,
 100024087,1000124087,10001240087,100012400837,
 1000124008327,10000124008327,100001124008327,
 1000011224008327,10000110224008327,
 100001100224008327,1000010100224008327,
 10000101002240083271,100001010022400283271,
 1000010100221400283271]

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Last modified May 8 09:21 EDT 2021. Contains 343666 sequences. (Running on oeis4.)