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A281304 as a simple table

na(n)
01
11
211
31000
41
5111011
6100
711111101
810001
91111010111
1010000
11111111011001
12100011
1311111110101000
14111001
151111111100000011
16111100
17111111111111001001
1810111101
1911111111111111011001
201010100001
211111111111111011101011
22100000001000

[1,1,11,1000,1,111011,100,11111101,10001,
 1111010111,10000,111111011001,100011,
 11111110101000,111001,1111111100000011,111100,
 111111111111001001,10111101,11111111111111011001,
 1010100001,1111111111111011101011,100000001000]