A127814 - OEIS

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A127814 as a simple table

n	a(n)
1	2
2	3
3	5
4	-11
5	779
6	497941
7	181860254581
8	16687694789137362648661
9	-263439569256003706800705587722279993788907979
10	81512663708476146329709015825571064954724426915346799560162522434680208602364731247764459

[2,3,5,-11,779,497941,181860254581, 16687694789137362648661, -263439569256003706800705587722279993788907979, 81512663708476146329709015825571064954724426915346\ 799560162522434680208602364731247764459]