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A093221 as a simple table

n a(n)
1 0
2 8421
3 75672
4 760273087
5 7677679779737737
6 99997899997
7 777300377790097776006777
8 7777778477777721777777
9 77777752577777725277777752
10 7777770021777777008477777700 

[0,8421,75672,760273087,7677679779737737,
 99997899997,777300377790097776006777,
 7777778477777721777777,77777752577777725277777752,
 7777770021777777008477777700]

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Last modified April 23 12:44 EDT 2024. Contains 371913 sequences. (Running on oeis4.)