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A009587 as a simple table

n a(n)
0 1
1 -1
2 -7
3 335
4 -12367
5 461119
6 -15282199
7 -15084017
8 113205762401
9 -23353924295169
10 3999727786726617
11 -646193037236457649
12 96494362194199966481
13 -10906894032368131721153
14 -479911420793798434667319
15 1063072317688793395093573391

[1,-1,-7,335,-12367,461119,-15282199,-15084017,
 113205762401,-23353924295169,3999727786726617,
 -646193037236457649,96494362194199966481,
 -10906894032368131721153,
 -479911420793798434667319,
 1063072317688793395093573391]

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Last modified September 8 08:54 EDT 2024. Contains 375753 sequences. (Running on oeis4.)