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A267580 as a simple table

na(n)
01
111
2110
31101
411010
5110101
61101011
711010111
8110101110
91101011101
1011010111011
11110101110111
121101011101111
1311010111011111
14110101110111111
151101011101111111
1611010111011111110
17110101110111111101
181101011101111111011
1911010111011111110111

[1,11,110,1101,11010,110101,1101011,11010111,
 110101110,1101011101,11010111011,110101110111,
 1101011101111,11010111011111,110101110111111,
 1101011101111111,11010111011111110,
 110101110111111101,1101011101111111011,
 11010111011111110111]