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A085799 as a simple table

n a(n)
1 0
2 -9
3 240
4 -6300
5 181440
6 -5821200
7 207567360
8 -8172964800
9 352864512000
10 -16593453676800
11 844757641728000
12 -46306798060723200
13 2720119606364160000
14 -170493211041753600000
15 11359219476176732160000
16 -801737767492652390400000
17 59762476409805241712640000
18 -4691769415367001788620800000

[0,-9,240,-6300,181440,-5821200,207567360,
 -8172964800,352864512000,-16593453676800,
 844757641728000,-46306798060723200,
 2720119606364160000,-170493211041753600000,
 11359219476176732160000,-801737767492652390400000,
 59762476409805241712640000,
 -4691769415367001788620800000]

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Last modified August 25 02:21 EDT 2024. Contains 375418 sequences. (Running on oeis4.)