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A279721 as a simple table

na(n)
01
10
2111
30
411111
50
61111111
70
8111111111
90
1011111111111
110
121111111111111
130
14111110011111111
150
1611100000011111111
1711110000000000
181101100110011111111
191111000000000000
20110000000000011111111
211111111110000000000
2211110000000111111111111

[1,0,111,0,11111,0,1111111,0,111111111,0,
 11111111111,0,1111111111111,0,111110011111111,0,
 11100000011111111,11110000000000,
 1101100110011111111,1111000000000000,
 110000000000011111111,1111111110000000000,
 11110000000111111111111]