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A066138 as a simple table

n a(n)
0 3
1 111
2 10101
3 1001001
4 100010001
5 10000100001
6 1000001000001
7 100000010000001
8 10000000100000001
9 1000000001000000001
10 100000000010000000001
11 10000000000100000000001
12 1000000000001000000000001
13 100000000000010000000000001
14 10000000000000100000000000001
15 1000000000000001000000000000001

[3,111,10101,1001001,100010001,10000100001,
 1000001000001,100000010000001,10000000100000001,
 1000000001000000001,100000000010000000001,
 10000000000100000000001,1000000000001000000000001,
 100000000000010000000000001,
 10000000000000100000000000001,
 1000000000000001000000000000001]

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Last modified March 29 09:59 EDT 2024. Contains 371268 sequences. (Running on oeis4.)