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A280566 as a simple table

na(n)
01
110
2110
31
410000
5101111
61100000
71111
8111000000
9111111
1010000000000
11101101111111
121100100000000
131011111111
14101010000000000
151111101011111111
16110000000000
17111100001111111111
1811000000000000
1911110000011111111111
201000000000000000

[1,10,110,1,10000,101111,1100000,1111,111000000,
 111111,10000000000,101101111111,1100100000000,
 1011111111,101010000000000,1111101011111111,
 110000000000,111100001111111111,11000000000000,
 11110000011111111111,1000000000000000]