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A108831 as a simple table

n a(n)
1 241
2 443
3 2441
4 8447
5 444443
6 844447
7 2444441
8 444444443
9 244444444441
10 444444444443
11 444444444444444444444444444443
12 2444444444444444444444444444441
13 44444444444444444444444444444443 

[241,443,2441,8447,444443,844447,2444441,
 444444443,244444444441,444444444443,
 444444444444444444444444444443,
 2444444444444444444444444444441,
 44444444444444444444444444444443]

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)