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A288974 as a simple table

na(n)
01
111
2101
31111
411011
5111111
61000111
711111111
8101001111
91111111111
1010110011111
11111011111111
121011000111111
1311111111111111
14101101001111111
151111101111111111
1611110100011111111
17101110011111111111
181111111100111111111
1911011010111111111111

[1,11,101,1111,11011,111111,1000111,11111111,
 101001111,1111111111,10110011111,111011111111,
 1011000111111,11111111111111,101101001111111,
 1111101111111111,11110100011111111,
 101110011111111111,1111111100111111111,
 11011010111111111111]