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A231889 as a simple table

na(n)
00
110
2101
3100
41
51001
6111
71010
81000
911
1010000
11110
121011
1310001
141101
1510010
161110
1710011
181100
1910101
2010100
211111
2211000
2310110
2411001
2511010
2611100
27100001
2810111
29100000
3011011
31100010
3211101

[0,10,101,100,1,1001,111,1010,1000,11,10000,110,
 1011,10001,1101,10010,1110,10011,1100,10101,10100,
 1111,11000,10110,11001,11010,11100,100001,10111,
 100000,11011,100010,11101]