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A284862 as a simple table

n a(n)
0 1
1 -1
2 13
3 -32
4 1666
5 -13426
6 515194
7 -1432000
8 1447711256
9 -4097653768
10 256749458824
11 -2204786032640
12 11533922227138736
13 -33268276510233104
14 577462439822785168
15 -1674851096410984448
16 6621155504764033947008
17 -34711497070334170000000

[1,-1,13,-32,1666,-13426,515194,-1432000,
 1447711256,-4097653768,256749458824,
 -2204786032640,11533922227138736,
 -33268276510233104,577462439822785168,
 -1674851096410984448,6621155504764033947008,
 -34711497070334170000000]

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Last modified April 18 20:26 EDT 2024. Contains 371781 sequences. (Running on oeis4.)