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A036950 as a simple table

n a(n)
1 7
2 79
3 797
4 0
5 77797
6 777977
7 7777997
8 77779799
9 777777799
10 7777779799
11 77777779979
12 777777779777
13 7777777779977
14 77777777777977
15 777777777779797
16 7777777777797799
17 77777777777777797
18 777777777777797977 

[7,79,797,0,77797,777977,7777997,77779799,
 777777799,7777779799,77777779979,777777779777,
 7777777779977,77777777777977,777777777779797,
 7777777777797799,77777777777777797,
 777777777777797977]

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Last modified May 25 02:55 EDT 2022. Contains 354047 sequences. (Running on oeis4.)