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A213139 as a simple table

n a(n)
0 1
1 -3
2 -12
3 78
4 1824
5 240
6 -513120
7 -5857680
8 196293120
9 6811964160
10 -57818956800
11 -8095402329600
12 -83402198630400
13 10192670228889600
14 371764953132748800
15 -11291351664942336000
16 -1131884186768228352000

[1,-3,-12,78,1824,240,-513120,-5857680,196293120,
 6811964160,-57818956800,-8095402329600,
 -83402198630400,10192670228889600,
 371764953132748800,-11291351664942336000,
 -1131884186768228352000]

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Last modified April 25 01:35 EDT 2024. Contains 371964 sequences. (Running on oeis4.)