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A286618 as a simple table

na(n)
01
11
211
311
4101
5101
61011
71011
811001
911001
10100111
11100111
121111011
131111011
1410101001
1510101001
16110101001
17110101001
181000101001
191000101001
2011101101001
2111101101001
22101000001001
23101000001001
241101000001001
251101000001001
2610001000001001

[1,1,11,11,101,101,1011,1011,11001,11001,100111,
 100111,1111011,1111011,10101001,10101001,
 110101001,110101001,1000101001,1000101001,
 11101101001,11101101001,101000001001,101000001001,
 1101000001001,1101000001001,10001000001001]