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A099658 as a simple table

n a(n)
0 2
1 5
2 47
3 449
4 4447
5 44449
6 444449
7 4444469
8 44444453
9 444444457
10 4444444447
11 44444444497
12 444444444461
13 4444444444493
14 44444444444459
15 444444444444461
16 4444444444444463
17 44444444444444461
18 444444444444444469
19 4444444444444444537
20 44444444444444444447

[2,5,47,449,4447,44449,444449,4444469,44444453,
 444444457,4444444447,44444444497,444444444461,
 4444444444493,44444444444459,444444444444461,
 4444444444444463,44444444444444461,
 444444444444444469,4444444444444444537,
 44444444444444444447]

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Last modified May 1 22:42 EDT 2024. Contains 372178 sequences. (Running on oeis4.)