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A135577 as a simple table

n a(n)
1 1
2 111
3 10101
4 1001001
5 100010001
6 10000100001
7 1000001000001
8 100000010000001
9 10000000100000001
10 1000000001000000001
11 100000000010000000001
12 10000000000100000000001

[1,111,10101,1001001,100010001,10000100001,
 1000001000001,100000010000001,10000000100000001,
 1000000001000000001,100000000010000000001,
 10000000000100000000001]

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Last modified April 19 01:29 EDT 2019. Contains 322237 sequences. (Running on oeis4.)