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A009517 as a simple table

n a(n)
1 1
2 -2
3 32
4 -688
5 29952
6 -1922560
7 160364544
8 -19815696384
9 2743045259264
10 -538516252917760
11 112957538226929664
12 -31810392390007521280
13 9466977656209217159168
14 -3592556624975295837896704 

[1,-2,32,-688,29952,-1922560,160364544,
 -19815696384,2743045259264,-538516252917760,
 112957538226929664,-31810392390007521280,
 9466977656209217159168,-3592556624975295837896704]

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Last modified April 27 12:30 EDT 2024. Contains 372019 sequences. (Running on oeis4.)