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A086143 as a simple table

n a(n)
1 4
2 585
3 1111
4 99499
5 1010101
6 1001001001
7 1000100010001
8 1000010000100001
9 1000001000001000001
10 1000000100000010000001
11 1000000010000000100000001
12 1000000001000000001000000001
13 1000000000100000000010000000001 

[4,585,1111,99499,1010101,1001001001,
 1000100010001,1000010000100001,
 1000001000001000001,1000000100000010000001,
 1000000010000000100000001,
 1000000001000000001000000001,
 1000000000100000000010000000001]

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)