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A078243 as a simple table

n a(n)
1 4
2 4
3 444
4 4
5 40
6 444
7 4004
8 40
9 444444444
10 40
11 44
12 444
13 4004
14 4004
15 4440
16 400
17 44404
18 444444444
19 44004
20 40
21 40404
22 44
23 440404
24 4440
25 400
26 4004
27 4404444444
28 4004
29 4404404
30 4440
31 444044
32 4000
33 444444
34 44404
35 40040
36 444444444
37 444
38 44004
39 40404

[4,4,444,4,40,444,4004,40,444444444,40,44,444,
 4004,4004,4440,400,44404,444444444,44004,40,40404,
 44,440404,4440,400,4004,4404444444,4004,4404404,
 4440,444044,4000,444444,44404,40040,444444444,444,
 44004,40404]

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Last modified October 16 15:31 EDT 2019. Contains 328101 sequences. (Running on oeis4.)