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A279936 as a simple table

na(n)
01
111
2100
31110
410010
5111110
61000010
711100110
8100111010
91111001010
1010001111110
11111010000010
121001011010110
1311111100010010
14100000011101110
151110001100111000
1610011011111000110
17111100000000101000
181000111111111101110
1911101000000000111000

[1,11,100,1110,10010,111110,1000010,11100110,
 100111010,1111001010,10001111110,111010000010,
 1001011010110,11111100010010,100000011101110,
 1110001100111000,10011011111000110,
 111100000000101000,1000111111111101110,
 11101000000000111000]