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A318920 as a simple table

n a(n)
1 1
2 5
3 30
4 225
5 1800
6 15000
7 128572
8 1125000
9 10000000
10 1
11 81818181
12 750000000
13 6923076923
14 64285714286
15 600000000000
16 5625000000000
17 52941176470588
18 500000000000000
19 4736842105263158
20 45000000000000000
21 428571428571428572
22 4090909090909090909

[1,5,30,225,1800,15000,128572,1125000,10000000,1,
 81818181,750000000,6923076923,64285714286,
 600000000000,5625000000000,52941176470588,
 500000000000000,4736842105263158,
 45000000000000000,428571428571428572,
 4090909090909090909]

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Last modified April 19 18:05 EDT 2024. Contains 371798 sequences. (Running on oeis4.)