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A090518 as a simple table

n a(n)
1 5
2 11
3 83
4 769
5 3571
6 52631
7 1428571
8 3703703
9 83333333
10 769230769
11 5882352941
12 13513513513
13 588235294117
14 7142857142857
15 12195121951219
16 151515151515151
17 2777777777777777
18 22727272727272727
19 1111111111111111111

[5,11,83,769,3571,52631,1428571,3703703,83333333,
 769230769,5882352941,13513513513,588235294117,
 7142857142857,12195121951219,151515151515151,
 2777777777777777,22727272727272727,
 1111111111111111111]

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Last modified August 30 13:06 EDT 2024. Contains 375543 sequences. (Running on oeis4.)