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A153498 as a simple table

n a(n)
1 1
2 111
3 10101
4 1001001
5 101010101
6 10110101101
7 1010101010101
8 101001010100101
9 10101010101010101
10 1010110101010110101
11 101010101010101010101
12 10101001010101010010101

[1,111,10101,1001001,101010101,10110101101,
 1010101010101,101001010100101,10101010101010101,
 1010110101010110101,101010101010101010101,
 10101001010101010010101]

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Last modified April 22 04:04 EDT 2019. Contains 322329 sequences. (Running on oeis4.)