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A279469 as a simple table

na(n)
01
11
210
311
410100
510111
61000
711001111
811010000
9111011111
101010100000
111000111111
121000101000000
131110101111111
1410100010000000
1510110011111111
1610001110100000000
1711110110111111111
18100101101000000000
19110111001111111111
20101101011010000000000

[1,1,10,11,10100,10111,1000,11001111,11010000,
 111011111,1010100000,1000111111,1000101000000,
 1110101111111,10100010000000,10110011111111,
 10001110100000000,11110110111111111,
 100101101000000000,110111001111111111,
 101101011010000000000]