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A280795 as a simple table

n a(n)
1 2
2 -4
3 -4
4 -64
5 -1392
6 -36048
7 -68288
8 217764736
9 45152039424
10 6761531610496
11 479656304761728
12 -181164506307765760
13 -94510602811595547648
14 -9099359091145965684736
15 15760449987522859047213056
16 8420566548360384773538111488
17 -5361092182457081839427169370112
18 -9833526816807364784720991628738560
19 595009928118250648162581567581609984

[2,-4,-4,-64,-1392,-36048,-68288,217764736,
 45152039424,6761531610496,479656304761728,
 -181164506307765760,-94510602811595547648,
 -9099359091145965684736,
 15760449987522859047213056,
 8420566548360384773538111488,
 -5361092182457081839427169370112,
 -9833526816807364784720991628738560,
 595009928118250648162581567581609984]

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Last modified May 8 18:04 EDT 2024. Contains 372340 sequences. (Running on oeis4.)