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A009104 as a simple table

n a(n)
0 1
1 0
2 -4
3 -24
4 272
5 14528
6 181312
7 -20265088
8 -1771263744
9 -4388386816
10 16325400792064
11 1796402984175616
12 -109123852786069504
13 -68488660591133114368
14 -7567377513364063567872

[1,0,-4,-24,272,14528,181312,-20265088,
 -1771263744,-4388386816,16325400792064,
 1796402984175616,-109123852786069504,
 -68488660591133114368,-7567377513364063567872]

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Last modified November 29 18:13 EST 2022. Contains 358431 sequences. (Running on oeis4.)