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A285011 as a simple table

n a(n)
1 7
2 9
3 77
4 79
5 97
6 99
7 777
8 779
9 797
10 799
11 977
12 979
13 997
14 999
15 7777
16 7779
17 7797
18 7799
19 7977
20 7979
21 7997
22 7999
23 9777
24 9779
25 9797
26 9799
27 9977
28 9979
29 9997
30 9999
31 77777
32 77779
33 77797
34 77799
35 77977
36 77979
37 77997
38 77999
39 79777
40 79779
41 79797
42 79799
43 79977
44 79979

[7,9,77,79,97,99,777,779,797,799,977,979,997,999,
 7777,7779,7797,7799,7977,7979,7997,7999,9777,9779,
 9797,9799,9977,9979,9997,9999,77777,77779,77797,
 77799,77977,77979,77997,77999,79777,79779,79797,
 79799,79977,79979]

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Last modified March 29 04:23 EDT 2024. Contains 371264 sequences. (Running on oeis4.)