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A204574 as a simple table

na(n)
10
21
311
410001
51100011
61001000001
7110100100011
8100110010010001
911011111001000011
1010100010100100000001
111110110011011111000011
121010110010010010110010001
13111110110111010100110100011
14101101110011001101010001000001

[0,1,11,10001,1100011,1001000001,110100100011,
 100110010010001,11011111001000011,
 10100010100100000001,1110110011011111000011,
 1010110010010010110010001,
 111110110111010100110100011,
 101101110011001101010001000001]