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A174443 as a simple table

n a(n)
0 0
1 1
2 -4
3 24
4 -128
5 704
6 -3840
7 20992
8 -114688
9 626688
10 -3424256
11 18710528
12 -102236160
13 558628864
14 -3052404736
15 16678649856
16 -91133837312
17 497964548096
18 -2720928890880
19 14867431948288
20 -81237158920192
21 443888091267072
22 -2425449636429824
23 13252903275855872

[0,1,-4,24,-128,704,-3840,20992,-114688,626688,
 -3424256,18710528,-102236160,558628864,
 -3052404736,16678649856,-91133837312,497964548096,
 -2720928890880,14867431948288,-81237158920192,
 443888091267072,-2425449636429824,
 13252903275855872]

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Last modified May 26 18:08 EDT 2020. Contains 334630 sequences. (Running on oeis4.)