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A078568 as a simple table

n a(n)
1 11
2 1121
3 111321
4 11114321
5 1111154321
6 111111654321
7 11111117654321
8 1111111187654321
9 111111111987654321
10 111111111110987654321
11 111111111111110987654321
12 111111111111121110987654321 

[11,1121,111321,11114321,1111154321,111111654321,
 11111117654321,1111111187654321,
 111111111987654321,111111111110987654321,
 111111111111110987654321,
 111111111111121110987654321]

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Last modified April 20 02:14 EDT 2024. Contains 371798 sequences. (Running on oeis4.)