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A262572 as a simple table

n a(n)
1 1
2 13
3 134
4 1345
5 13456
6 134567
7 1345678
8 13456789
9 1345678910
10 134567891011
11 13456789101112
12 1345678910111213
13 134567891011121314
14 13456789101112131415
15 1345678910111213141516
16 134567891011121314151617
17 13456789101112131415161718
18 1345678910111213141516171819
19 134567891011121314151617181920 

[1,13,134,1345,13456,134567,1345678,13456789,
 1345678910,134567891011,13456789101112,
 1345678910111213,134567891011121314,
 13456789101112131415,1345678910111213141516,
 134567891011121314151617,
 13456789101112131415161718,
 1345678910111213141516171819,
 134567891011121314151617181920]

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Last modified April 18 18:58 EDT 2024. Contains 371781 sequences. (Running on oeis4.)