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A249647 as a simple table

n a(n)
1 1
2 3
3 9
4 11
5 33
6 99
7 111
8 333
9 999
10 1111
11 3333
12 9999
13 11111
14 33333
15 99999
16 111111
17 142857
18 333333
19 999999
20 1111111
21 3333333
22 9999999
23 11111111
24 33333333
25 99999999
26 111111111

[1,3,9,11,33,99,111,333,999,1111,3333,9999,11111,
 33333,99999,111111,142857,333333,999999,1111111,
 3333333,9999999,11111111,33333333,99999999,
 111111111]

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Last modified May 25 20:53 EDT 2024. Contains 372804 sequences. (Running on oeis4.)