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A266442 as a simple table

na(n)
01
11
21010
31000011
41110100
511010000111
611101000
7111110100001111
8111010000
91111111101000011111
101110100000
1111111111111010000111111
1211101000000
13111111111111110100001111111
14111010000000
151111111111111111101000011111111
161110100000000

[1,1,1010,1000011,1110100,11010000111,11101000,
 111110100001111,111010000,1111111101000011111,
 1110100000,11111111111010000111111,11101000000,
 111111111111110100001111111,111010000000,
 1111111111111111101000011111111,1110100000000]