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A266790 as a simple table

na(n)
01
111
2111
31110
411101
5111010
61110101
711101010
8111010100
91110101001
1011101010011
11111010100111
121110101001110
1311101010011101
14111010100111010
151110101001110101
1611101010011101010
17111010100111010101
181110101001110101010
1911101010011101010101

[1,11,111,1110,11101,111010,1110101,11101010,
 111010100,1110101001,11101010011,111010100111,
 1110101001110,11101010011101,111010100111010,
 1110101001110101,11101010011101010,
 111010100111010101,1110101001110101010,
 11101010011101010101]