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A289889 as a simple table

na(n)
01
11
211
31
4101
511
61101
7111
810001
91111
10111011
1110011
121010011
13111111
1411011111
151001111
16100011111
1711001111
181110111111
19100001111
2010100010111
211110011111
22110110110111
2310011111111
241000110000111
25110000111111
2611101100100111
271000000111111

[1,1,11,1,101,11,1101,111,10001,1111,111011,10011,
 1010011,111111,11011111,1001111,100011111,
 11001111,1110111111,100001111,10100010111,
 1110011111,110110110111,10011111111,1000110000111,
 110000111111,11101100100111,1000000111111]