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A118110 as a simple table

na(n)
01
1111
210101
31101011
4100010001
511101110111
61010001000101
7110110111011011
810000000100000001
91110000011100000111
10101010001010100010101
1111010110110101101101011
121000100000001000000010001

[1,111,10101,1101011,100010001,11101110111,
 1010001000101,110110111011011,10000000100000001,
 1110000011100000111,101010001010100010101,
 11010110110101101101011,1000100000001000000010001]