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A007623 as a simple table

n a(n)
0 0
1 1
2 10
3 11
4 20
5 21
6 100
7 101
8 110
9 111
10 120
11 121
12 200
13 201
14 210
15 211
16 220
17 221
18 300
19 301
20 310
21 311
22 320
23 321
24 1000
25 1001
26 1010
27 1011
28 1020
29 1021
30 1100
31 1101
32 1110
33 1111
34 1120
35 1121
36 1200
37 1201
38 1210
39 1211
40 1220
41 1221
42 1300
43 1301
44 1310
45 1311
46 1320
47 1321
48 2000
49 2001
50 2010

[0,1,10,11,20,21,100,101,110,111,120,121,200,201,
 210,211,220,221,300,301,310,311,320,321,1000,1001,
 1010,1011,1020,1021,1100,1101,1110,1111,1120,1121,
 1200,1201,1210,1211,1220,1221,1300,1301,1310,1311,
 1320,1321,2000,2001,2010]

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Last modified April 23 06:58 EDT 2024. Contains 371906 sequences. (Running on oeis4.)