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A075166 as a simple table

na(n)
10
210
31010
41100
5101010
6101100
710101010
8110100
9110010
1010101100
111010101010
1210110100
13101010101010
141010101100
1510110010
16111000
1710101010101010
1811001100
191010101010101010
201010110100
211010110010

[0,10,1010,1100,101010,101100,10101010,110100,
 110010,10101100,1010101010,10110100,101010101010,
 1010101100,10110010,111000,10101010101010,
 11001100,1010101010101010,1010110100,1010110010]