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A266667 as a simple table

na(n)
01
1101
2100
31110111
410000
511111011111
61000000
7111111101111111
8100000000
91111111110111111111
1010000000000
1111111111111011111111111
121000000000000
13111111111111101111111111111
14100000000000000
151111111111111110111111111111111
1610000000000000000

[1,101,100,1110111,10000,11111011111,1000000,
 111111101111111,100000000,1111111110111111111,
 10000000000,11111111111011111111111,1000000000000,
 111111111111101111111111111,100000000000000,
 1111111111111110111111111111111,10000000000000000]