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A108237 as a simple table

n a(n)
0 11
1 21
2 22
3 31
4 32
5 42
6 43
7 51
8 53
9 62
10 64
11 72
12 74
13 83
14 85
15 91
16 95
17 131
18 612
19 1614
20 1712
21 1714
22 1813
23 1815
24 1911
25 1915
26 2113
27 2116
28 2122
29 2126
30 2134
31 2137
32 2142
33 2147
34 2154
35 2158
36 2163
37 2168
38 2175
39 2179
40 2181
41 2189
42 2195
43 2211
44 3113
45 3211
46 4116
47 4211
48 4212

[11,21,22,31,32,42,43,51,53,62,64,72,74,83,85,91,
 95,131,612,1614,1712,1714,1813,1815,1911,1915,
 2113,2116,2122,2126,2134,2137,2142,2147,2154,2158,
 2163,2168,2175,2179,2181,2189,2195,2211,3113,3211,
 4116,4211,4212]

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)