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A281218 as a simple table

na(n)
01
10
211
31010
4101
5110010
61001
711100100
811011
91111011110
10110001
11111110100100
121011011
1311111100111110
1410000001
151111111001111100
16111000111
17111111110100010000
181011101111
1911111111100110111000
2011101000011
211111111111010010011110
22101001110001

[1,0,11,1010,101,110010,1001,11100100,11011,
 1111011110,110001,111110100100,1011011,
 11111100111110,10000001,1111111001111100,
 111000111,111111110100010000,1011101111,
 11111111100110111000,11101000011,
 1111111111010010011110,101001110001]