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A020464 as a simple table

n a(n)
1 3
2 83
3 383
4 883
5 3833
6 38333
7 38833
8 83383
9 83833
10 88883
11 333383
12 338383
13 383833
14 3333383
15 3383383
16 3833833
17 3838333
18 3838883
19 3883333
20 3888383
21 8338333
22 8388833
23 8838383
24 8838833
25 8838883
26 8883883
27 38383883
28 83333333
29 83883883
30 88838333

[3,83,383,883,3833,38333,38833,83383,83833,88883,
 333383,338383,383833,3333383,3383383,3833833,
 3838333,3838883,3883333,3888383,8338333,8388833,
 8838383,8838833,8838883,8883883,38383883,83333333,
 83883883,88838333]

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Last modified April 25 03:15 EDT 2024. Contains 371964 sequences. (Running on oeis4.)