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A154022 as a simple table

n a(n)
1 0
2 5
3 125
4 3120
5 77875
6 1943755
7 48516000
8 1210956245
9 30225390125
10 754423796880
11 18830369531875
12 470004814499995
13 11731289992968000
14 292812245009700005
15 7308574835249532125
16 182421558636228603120

[0,5,125,3120,77875,1943755,48516000,1210956245,
 30225390125,754423796880,18830369531875,
 470004814499995,11731289992968000,
 292812245009700005,7308574835249532125,
 182421558636228603120]

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Last modified March 29 09:44 EDT 2024. Contains 371268 sequences. (Running on oeis4.)