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A012869 as a simple table

n a(n)
0 1
1 -1
2 4
3 -2098
4 2969
5 -35380322
6 8716535447
7 -1798049740063
8 19914123417989
9 -181876796289510461
10 186781215146313235681
11 -24121633940851905518327
12 40268463790986459750095639
13 -4555735317599779344180767417

[1,-1,4,-2098,2969,-35380322,8716535447,
 -1798049740063,19914123417989,-181876796289510461,
 186781215146313235681,-24121633940851905518327,
 40268463790986459750095639,
 -4555735317599779344180767417]

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Last modified July 17 18:47 EDT 2019. Contains 325109 sequences. (Running on oeis4.)