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

A220145 as a simple table

na(n)
11
210
310000101
4100
5100001
6100001010
710000100010010101
81000
910000100010010101001
101000010
11100001000100101
121000010100
131000010001
14100001000100101010
15100001000001010101
1610000
171000010001001
18100001000100101010010
19100001000100101000101
2010000100

[1,10,10000101,100,100001,100001010,
 10000100010010101,1000,10000100010010101001,
 1000010,100001000100101,1000010100,1000010001,
 100001000100101010,100001000001010101,10000,
 1000010001001,100001000100101010010,
 100001000100101000101,10000100]