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A157899 as a simple table

n a(n)
1 1
2 2
3 3
4 12
5 13
6 22
7 23
8 102
9 103
10 112
11 113
12 122
13 123
14 223
15 323

[1,2,3,12,13,22,23,102,103,112,113,122,123,223,
 323]

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Last modified June 16 21:55 EDT 2021. Contains 345080 sequences. (Running on oeis4.)