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A069263 as a simple table

na(n)
11
22
310
411
520
6100
7101
8110
9111
10200
111000
121001
131010
141011
151100
161101
171110
182000
1910000
2010001
2110010
2210011
2310100
2410101
2510110
2611000
2711001
2811010
2911011
3011100
3120000
32100000

[1,2,10,11,20,100,101,110,111,200,1000,1001,1010,
 1011,1100,1101,1110,2000,10000,10001,10010,10011,
 10100,10101,10110,11000,11001,11010,11011,11100,
 20000,100000]