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A117640 as a simple table

n a(n)
1 1
2 12
3 123
4 12310
5 1231011
6 123101112
7 12310111213
8 1231011121320
9 123101112132021
10 12310111213202122
11 1231011121320212223
12 123101112132021222330
13 12310111213202122233031

[1,12,123,12310,1231011,123101112,12310111213,
 1231011121320,123101112132021,12310111213202122,
 1231011121320212223,123101112132021222330,
 12310111213202122233031]

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Last modified April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)