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A015421 as a simple table

n a(n)
11 1
12 -685853880635
13 513158776998704708174485
14 -381060745537275503024171826161834795
15 283144978428780810444903027180667803787005364693
16 -210378243627879792478862753186483140572522717247026752860715

[1,-685853880635,513158776998704708174485,
 -381060745537275503024171826161834795,
 283144978428780810444903027180667803787005364693,
 -2103782436278797924788627531864831405725227172470\
 26752860715]

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Last modified October 1 22:42 EDT 2022. Contains 357173 sequences. (Running on oeis4.)