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A281753 as a simple table

na(n)
01
11
2110
3111
411000
510111
61011000
71111111
8110000000
9100011111
1010000100000
1110111111
121101001000000
131001101111111
14100111110000000
1511000111111111
1611110011000000000
17110110111111111
181111111101000000000
191101111111111
20110001111110000000000

[1,1,110,111,11000,10111,1011000,1111111,
 110000000,100011111,10000100000,10111111,
 1101001000000,1001101111111,100111110000000,
 11000111111111,11110011000000000,110110111111111,
 1111111101000000000,1101111111111,
 110001111110000000000]