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A181864 as a simple table

n a(n)
1 1
2 2
3 7
4 207
5 700207
6 207000000700207
7 70020700000000000000207000000700207
8 2070000007002070000000000000000000000000000000000070020700000000000000207000000700207 

[1,2,7,207,700207,207000000700207,
 70020700000000000000207000000700207,
 20700000070020700000000000000000000000000000000000\
 70020700000000000000207000000700207]

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Last modified April 19 04:35 EDT 2024. Contains 371782 sequences. (Running on oeis4.)