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A158998 as a simple table

n a(n)
0 1
1 -1
2 -13
3 21
4 323
5 -1141
6 -157531
7 123361
8 3107843
9 -22584681
10 -7737133583
11 6298701101
12 21361359585233
13 -2489518886621
14 -108166545951373
15 1324340625653241
16 1117741969306140211
17 -912462507809610961
18 -6777866017304661816769
19 790465529030548467781

[1,-1,-13,21,323,-1141,-157531,123361,3107843,
 -22584681,-7737133583,6298701101,21361359585233,
 -2489518886621,-108166545951373,1324340625653241,
 1117741969306140211,-912462507809610961,
 -6777866017304661816769,790465529030548467781]

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Last modified April 23 16:40 EDT 2024. Contains 371916 sequences. (Running on oeis4.)