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A112131 as a simple table

n a(n)
1 12
2 23
3 34
4 45
5 56
6 67
7 78
8 89
9 910
10 101112
11 12131415161718
12 181920
13 2021
14 21222324
15 24252627
16 27282930
17 30313233343536
18 3637383940
19 404142
20 42434445
21 45464748
22 484950
23 5051525354
24 54555657585960
25 60616263
26 6364656667686970
27 707172

[12,23,34,45,56,67,78,89,910,101112,
 12131415161718,181920,2021,21222324,24252627,
 27282930,30313233343536,3637383940,404142,
 42434445,45464748,484950,5051525354,
 54555657585960,60616263,6364656667686970,707172]

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Last modified April 24 04:14 EDT 2024. Contains 371918 sequences. (Running on oeis4.)