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A097209 as a simple table

n a(n)
1 9091
2 909091
3 909090909090909091
4 909090909090909090909090909091
5 9090909090909090909090909090909090909090909090909091
6 909090909090909090909090909090909090909090909090909090909090909091 

[9091,909091,909090909090909091,
 909090909090909090909090909091,
 90909090909090909090909090909090909090909090909090\
 91,
 90909090909090909090909090909090909090909090909090\
 9090909090909091]

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Last modified August 14 14:25 EDT 2024. Contains 375165 sequences. (Running on oeis4.)