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A286739 as a simple table

na(n)
01
11
2100
3111
410000
511111
60
711111111
80
91111111111
100
1111111111
120
131111111111111
14100000000000000
1511111111111
1611111000000000000
171111111111111
181100000000000000
19110111111111111
20111000010000000000000
211001011111111111111
221101000000000000000

[1,1,100,111,10000,11111,0,11111111,0,1111111111,
 0,11111111,0,1111111111111,100000000000000,
 11111111111,11111000000000000,1111111111111,
 1100000000000000,110111111111111,
 111000010000000000000,1001011111111111111,
 1101000000000000000]