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A280834 as a simple table

na(n)
01
110
2110
31
410000
5101111
61110000
71111
8111010000
911101111
1010001100000
11101000011111
121110100000000
1311011111111
14110001100000000
151000011111111
1610010010100000000
17100100111011111111
181001000011000000000
1910010010000111111111
20100100101000000000000

[1,10,110,1,10000,101111,1110000,1111,111010000,
 11101111,10001100000,101000011111,1110100000000,
 11011111111,110001100000000,1000011111111,
 10010010100000000,100100111011111111,
 1001000011000000000,10010010000111111111,
 100100101000000000000]