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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.

A286672 as a simple table

na(n)
01
111
21
31111
411
5111111
611
711111111
81001
91111111111
101001
11111111111111
121111
1311111111111111
141111
151111111111111111
1611111111
17111111111111111111
1810011001
1911111111111111111111
2010010011
211111111111111111111111
2211001001
23111111111111111111111111

[1,11,1,1111,11,111111,11,11111111,1001,
 1111111111,1001,111111111111,1111,11111111111111,
 1111,1111111111111111,11111111,111111111111111111,
 10011001,11111111111111111111,10010011,
 1111111111111111111111,11001001,
 111111111111111111111111]