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A334565 as a simple table

n a(n)
0 1
1 -1
2 -1
3 -1
4 1
5 19
6 871
7 1091
8 -12319
9 -185401
10 -1871729
11 -16185401
12 124125409
13 2716194779
14 30386265911
15 192015557579
16 -1519087028159
17 -90118169425649
18 -1286566655151329
19 -8992926875821681
20 96361313388009281
21 5078872062174772259
22 107995117552995689479
23 996704518577739393619

[1,-1,-1,-1,1,19,871,1091,-12319,-185401,-1871729,
 -16185401,124125409,2716194779,30386265911,
 192015557579,-1519087028159,-90118169425649,
 -1286566655151329,-8992926875821681,
 96361313388009281,5078872062174772259,
 107995117552995689479,996704518577739393619]

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Last modified March 29 04:59 EDT 2024. Contains 371264 sequences. (Running on oeis4.)