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A293016 as a simple table

n a(n)
0 1
1 0
2 -2
3 -6
4 0
5 100
6 570
7 798
8 -15176
9 -163368
10 -700650
11 3112450
12 84347868
13 738909444
14 1555721986
15 -54879912570
16 -955420939440
17 -7454556070352
18 13202860260654
19 1329363428217354
20 20878556441998660
21 145324350344133660
22 -1185240365741022822

[1,0,-2,-6,0,100,570,798,-15176,-163368,-700650,
 3112450,84347868,738909444,1555721986,
 -54879912570,-955420939440,-7454556070352,
 13202860260654,1329363428217354,20878556441998660,
 145324350344133660,-1185240365741022822]

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Last modified April 16 00:00 EDT 2024. Contains 371696 sequences. (Running on oeis4.)