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A213969 as a simple table

n a(n)
1 1
2 2
3 12
4 21
5 112
6 121
7 122
8 211
9 212
10 221
11 1112
12 1121
13 1122
14 1211
15 1221
16 1222
17 2111
18 2112
19 2122
20 2211
21 2212
22 2221
23 11112
24 11121
25 11122
26 11211
27 11212
28 11221
29 11222
30 12111
31 12112
32 12121
33 12122
34 12211
35 12212
36 12221
37 12222
38 21111
39 21112
40 21121
41 21122
42 21211
43 21212
44 21221
45 21222
46 22111
47 22112
48 22121
49 22122
50 22211
51 22212
52 22221

[1,2,12,21,112,121,122,211,212,221,1112,1121,1122,
 1211,1221,1222,2111,2112,2122,2211,2212,2221,
 11112,11121,11122,11211,11212,11221,11222,12111,
 12112,12121,12122,12211,12212,12221,12222,21111,
 21112,21121,21122,21211,21212,21221,21222,22111,
 22112,22121,22122,22211,22212,22221]

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Last modified April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)