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A015268 as a simple table

n a(n)
3 1
4 -20
5 610
6 -15860
7 433771
8 -11662040
9 315323620
10 -8509702520
11 229798289941
12 -6204226946060
13 167517069529030
14 -4522934399547980
15 122119467087816511
16 -3297223466672052080
17 89025052902439936840
18 -2403676254645238280240

[1,-20,610,-15860,433771,-11662040,315323620,
 -8509702520,229798289941,-6204226946060,
 167517069529030,-4522934399547980,
 122119467087816511,-3297223466672052080,
 89025052902439936840,-2403676254645238280240]

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Last modified April 16 11:32 EDT 2024. Contains 371711 sequences. (Running on oeis4.)