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A157624 as a simple table

n a(n)
0 1
1 -21
2 -130
3 25641
4 141830
5 -24995901
6 -411092890
7 408883641537
8 2239664230310
9 -716627638381851
10 -19624945798250650
11 15351101378122522971
12 252232790717098225190
13 -116589044827058326739601
14 -4469882186930355201104410
15 19071755203610155691780406369

[1,-21,-130,25641,141830,-24995901,-411092890,
 408883641537,2239664230310,-716627638381851,
 -19624945798250650,15351101378122522971,
 252232790717098225190,-116589044827058326739601,
 -4469882186930355201104410,
 19071755203610155691780406369]

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Last modified August 9 19:29 EDT 2024. Contains 375044 sequences. (Running on oeis4.)