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A065590 as a simple table

n a(n)
0 2
1 7
2 773
3 77711
4 77773
5 7777709
6 77777719
7 777777701
8 777777773
9 77777777717
10 777777777713
11 777777777773
12 7777777777771
13 777777777777719
14 777777777777773
15 77777777777777711
16 777777777777777737
17 7777777777777777793
18 77777777777777777729
19 77777777777777777771 

[2,7,773,77711,77773,7777709,77777719,777777701,
 777777773,77777777717,777777777713,777777777773,
 7777777777771,777777777777719,777777777777773,
 77777777777777711,777777777777777737,
 7777777777777777793,77777777777777777729,
 77777777777777777771]

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Last modified April 19 07:35 EDT 2024. Contains 371782 sequences. (Running on oeis4.)