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A165246 as a simple table

n a(n)
1 7
2 17
3 117
4 1117
5 11117
6 111117
7 1111117
8 11111117
9 111111117
10 1111111117
11 11111111117
12 111111111117
13 1111111111117
14 11111111111117
15 111111111111117
16 1111111111111117
17 11111111111111117
18 111111111111111117

[7,17,117,1117,11117,111117,1111117,11111117,
 111111117,1111111117,11111111117,111111111117,
 1111111111117,11111111111117,111111111111117,
 1111111111111117,11111111111111117,
 111111111111111117]

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Last modified July 5 20:21 EDT 2020. Contains 335473 sequences. (Running on oeis4.)