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A290048 as a simple table

n a(n)
2 1
3 -552
4 8640
5 116000
6 -4868460
7 67855536
8 -544522240
9 2742137280
10 -8237774250
11 10592091400
12 3366617856
13 113971542048
14 -1217020425880
15 4535746506000
16 -5415752171520
17 -19090509870144
18 93580817811453
19 -142801363479240
20 -80721277168000
21 665065363025280

[1,-552,8640,116000,-4868460,67855536,-544522240,
 2742137280,-8237774250,10592091400,3366617856,
 113971542048,-1217020425880,4535746506000,
 -5415752171520,-19090509870144,93580817811453,
 -142801363479240,-80721277168000,665065363025280]

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Last modified August 12 01:38 EDT 2024. Contains 375082 sequences. (Running on oeis4.)