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A012290 as a simple table

n a(n)
0 0
1 1
2 2
3 0
4 -24
5 -140
6 -8
7 8960
8 92736
9 12240
10 -14154208
11 -210017280
12 -50776704
13 58549241920
14 1133642065792
15 435228385280
16 -500888609593344
17 -11981516394489600
18 -6690495105515008
19 7684815276420464640

[0,1,2,0,-24,-140,-8,8960,92736,12240,-14154208,
 -210017280,-50776704,58549241920,1133642065792,
 435228385280,-500888609593344,-11981516394489600,
 -6690495105515008,7684815276420464640]

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Last modified April 25 09:56 EDT 2024. Contains 371967 sequences. (Running on oeis4.)