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A111984 as a simple table

n a(n)
0 1
1 8
2 -64
3 960
4 -15360
5 274432
6 -5223936
7 103604224
8 -2115993600
9 44188631040
10 -939004514304
11 20235083907072
12 -441102457372672
13 9708551114588160
14 -215436164616683520
15 4814308934865944576
16 -108243166106365722624
17 2446764246113433157632

[1,8,-64,960,-15360,274432,-5223936,103604224,
 -2115993600,44188631040,-939004514304,
 20235083907072,-441102457372672,9708551114588160,
 -215436164616683520,4814308934865944576,
 -108243166106365722624,2446764246113433157632]

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Last modified March 28 09:04 EDT 2024. Contains 371240 sequences. (Running on oeis4.)