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A020468 as a simple table

n a(n)
1 5
2 59
3 599
4 59999
5 95959
6 99559
7 599959
8 599999
9 995959
10 999599
11 999959
12 5595559
13 5595599
14 5599999
15 5955959
16 5995999
17 5999599
18 9555599
19 9559999
20 9595559
21 9955559
22 9995599
23 55555559
24 55559599
25 55595599
26 55599959
27 55959559
28 59999999
29 95559559

[5,59,599,59999,95959,99559,599959,599999,995959,
 999599,999959,5595559,5595599,5599999,5955959,
 5995999,5999599,9555599,9559999,9595559,9955559,
 9995599,55555559,55559599,55595599,55599959,
 55959559,59999999,95559559]

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Last modified February 21 03:02 EST 2020. Contains 332086 sequences. (Running on oeis4.)