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A242138 as a simple table

na(n)
1101
21001
31010
410001
510010
610101
711011
8100001
9100010
10100100
11101010
12101101
13110011
14110110
151000001
161000010
171000100
181001001
191010101
201100011
211100110
221110111
2310000001
2410000010
2510000100
2610001000
2710010010
2810011001
2910100101
3010101010

[101,1001,1010,10001,10010,10101,11011,100001,
 100010,100100,101010,101101,110011,110110,1000001,
 1000010,1000100,1001001,1010101,1100011,1100110,
 1110111,10000001,10000010,10000100,10001000,
 10010010,10011001,10100101,10101010]