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A288191 as a simple table

na(n)
01
11
2100
311
411000
5111
61110000
71001111
8101100000
9100011111
1010111000000
1111100111111
121000110000000
13100001111111
14110111100000000
15111010011111111
1610001011000000000
171001000111111111
181101101110000000000
191111111001111111111
20100000001100000000000

[1,1,100,11,11000,111,1110000,1001111,101100000,
 100011111,10111000000,11100111111,1000110000000,
 100001111111,110111100000000,111010011111111,
 10001011000000000,1001000111111111,
 1101101110000000000,1111111001111111111,
 100000001100000000000]