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A036945 as a simple table

n a(n)
1 0
2 0
3 449
4 4999
5 44449
6 444449
7 4444949
8 44444999
9 444499949
10 4444444999
11 44444449949
12 444444494449
13 4444449444949
14 44444444449499
15 444444444499499
16 4444444444444999
17 44444444444444999
18 444444444449449949 

[0,0,449,4999,44449,444449,4444949,44444999,
 444499949,4444444999,44444449949,444444494449,
 4444449444949,44444444449499,444444444499499,
 4444444444444999,44444444444444999,
 444444444449449949]

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Last modified August 9 23:12 EDT 2024. Contains 375044 sequences. (Running on oeis4.)