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A013098 as a simple table

n a(n)
0 2
1 -15
2 457
3 -30289
4 3469345
5 -608926329
6 151766090881
7 -50946876706129
8 22157750605438913
9 -12118460218882345193
10 8139938757873193425313
11 -6587354373887296232631681
12 6321346340322177807347908193 

[2,-15,457,-30289,3469345,-608926329,151766090881,
 -50946876706129,22157750605438913,
 -12118460218882345193,8139938757873193425313,
 -6587354373887296232631681,
 6321346340322177807347908193]

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Last modified December 9 10:58 EST 2023. Contains 367690 sequences. (Running on oeis4.)