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A268702 as a simple table

n a(n)
1 7
2 71
3 911
4 8111
5 16111
6 911111
7 1171111
8 71111111
9 131111111
10 1711111111
11 31111111111
12 311111111111
13 5111111111111
14 41111111111111
15 111151111111111
16 5111111111111111
17 11111611111111111
18 191111111111111111
19 2111111111111111111
20 11111111611111111111

[7,71,911,8111,16111,911111,1171111,71111111,
 131111111,1711111111,31111111111,311111111111,
 5111111111111,41111111111111,111151111111111,
 5111111111111111,11111611111111111,
 191111111111111111,2111111111111111111,
 11111111611111111111]

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Last modified March 28 18:04 EDT 2024. Contains 371254 sequences. (Running on oeis4.)