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A048602 as a simple table

n a(n)
0 1
1 -1
2 -1
3 -53
4 -23
5 -92713
6 -742031
7 594673187
8 329366540401
9 104491760828591
10 1508486324285153
11 -582710832978168221
12 -1084662989735717135537
13 -431265609837882130202597
14 784759327625761394688977441

[1,-1,-1,-53,-23,-92713,-742031,594673187,
 329366540401,104491760828591,1508486324285153,
 -582710832978168221,-1084662989735717135537,
 -431265609837882130202597,
 784759327625761394688977441]

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Last modified December 2 17:48 EST 2021. Contains 349445 sequences. (Running on oeis4.)