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A117253 as a simple table

n a(n)
0 1
1 1
2 -3
3 45
4 -2430
5 433026
6 -245525742
7 434685788658
8 -2376644549487615
9 39849199161258840705
10 -2039314646436750180150939
11 317469566015078743658568283029
12 -149970083228995077874358388356635368
13 214577598849654850870918566871719460091160

[1,1,-3,45,-2430,433026,-245525742,434685788658,
 -2376644549487615,39849199161258840705,
 -2039314646436750180150939,
 317469566015078743658568283029,
 -149970083228995077874358388356635368,
 214577598849654850870918566871719460091160]

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Last modified January 18 15:09 EST 2022. Contains 350455 sequences. (Running on oeis4.)