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A045736 as a simple table

n a(n)
1 1
2 7
3 11
4 27
5 77
6 111
7 127
8 177
9 777
10 1127
11 1177
12 1777
13 7777
14 11777
15 27777
16 77777
17 111777
18 127777
19 177777
20 777777
21 1127777
22 1177777
23 1777777
24 7777777
25 11777777
26 27777777
27 77777777
28 111777777
29 127777777
30 177777777
31 777777777
32 1127777777

[1,7,11,27,77,111,127,177,777,1127,1177,1777,7777,
 11777,27777,77777,111777,127777,177777,777777,
 1127777,1177777,1777777,7777777,11777777,27777777,
 77777777,111777777,127777777,177777777,777777777,
 1127777777]

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Last modified April 7 11:03 EDT 2020. Contains 333301 sequences. (Running on oeis4.)