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A220113 as a simple table

n a(n)
1 1
2 -2
3 -12
4 -424
5 -29808
6 -2966816
7 -237449920
8 76118167936
9 84317834342656
10 53499781544238592
11 20080969948883956736
12 -10740526073453596649472
13 -31099457241702481710116864

[1,-2,-12,-424,-29808,-2966816,-237449920,
 76118167936,84317834342656,53499781544238592,
 20080969948883956736,-10740526073453596649472,
 -31099457241702481710116864]

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Last modified April 25 08:20 EDT 2024. Contains 371964 sequences. (Running on oeis4.)