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A030991 as a simple table

n a(n)
1 5
2 75
3 375
4 4375
5 84375
6 984375
7 8984375
8 58984375
9 458984375
10 5458984375
11 45458984375
12 845458984375
13 2845458984375
14 22845458984375
15 322845458984375
16 2322845458984375
17 22322845458984375 

[5,75,375,4375,84375,984375,8984375,58984375,
 458984375,5458984375,45458984375,845458984375,
 2845458984375,22845458984375,322845458984375,
 2322845458984375,22322845458984375]

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Last modified May 13 14:28 EDT 2024. Contains 372519 sequences. (Running on oeis4.)