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A045998 as a simple table

na(n)
01
111
21
31011
4111001
5110011
610001
710111011
81110111001
91110110011
101110010001
111100111011
12100111001
13101100110011
1411100100010001
1511001110111011
161001110111001
171011001110110011
18111001001110010001

[1,11,1,1011,111001,110011,10001,10111011,
 1110111001,1110110011,1110010001,1100111011,
 100111001,101100110011,11100100010001,
 11001110111011,1001110111001,1011001110110011,
 111001001110010001]