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A089604 as a simple table

n a(n)
0 0
1 1
2 2
3 11
4 12
5 21
6 22
7 31
8 112
9 121
10 122
11 131
12 212
13 213
14 222
15 231
16 312
17 321
18 1122
19 1131
20 1212
21 1221
22 1222
23 1231
24 1312
25 1321
26 2122
27 2131
28 2212
29 2221
30 2222
31 2231
32 2312
33 2321
34 3122
35 3131
36 3212
37 3221
38 11222

[0,1,2,11,12,21,22,31,112,121,122,131,212,213,222,
 231,312,321,1122,1131,1212,1221,1222,1231,1312,
 1321,2122,2131,2212,2221,2222,2231,2312,2321,3122,
 3131,3212,3221,11222]

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Last modified April 19 07:38 EDT 2024. Contains 371782 sequences. (Running on oeis4.)