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A080490 as a simple table

n a(n)
1 5
2 15
3 105
4 10185
5 1018500
6 101850000
7 10185000000
8 1018500000000
9 101850000000000
10 10185000000000000
11 1018500000000000000
12 101850000000000000000
13 10185000000000000000000

[5,15,105,10185,1018500,101850000,10185000000,
 1018500000000,101850000000000,10185000000000000,
 1018500000000000000,101850000000000000000,
 10185000000000000000000]

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Last modified September 24 15:46 EDT 2022. Contains 356943 sequences. (Running on oeis4.)