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A068117 as a simple table

n a(n)
1 1
2 121
3 12321
4 1234321
5 123454321
6 12345654321
7 1234567654321
8 123456787654321
9 12345678987654321
10 1234567891022847726601
11 12345678910116040727447056
12 12345678910111210088193915136
13 1234567891011121368630088707263161
14 12345678910111213145200045239801398529 

[1,121,12321,1234321,123454321,12345654321,
 1234567654321,123456787654321,12345678987654321,
 1234567891022847726601,12345678910116040727447056,
 12345678910111210088193915136,
 1234567891011121368630088707263161,
 12345678910111213145200045239801398529]

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Last modified September 8 16:32 EDT 2024. Contains 375753 sequences. (Running on oeis4.)