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A354175 as a simple table

n a(n)
1 1
2 0
3 2
4 -8
5 56
6 -256
7 3184
8 -36224
9 273920
10 -2845696
11 48104704
12 -676312064
13 10591523840
14 -149454094336
15 2888557717504
16 -72214957359104
17 1249919350046720
18 -23620669488234496
19 624022403933077504
20 -15637185047733469184
21 372737701735949926400
22 -9655667879651150135296

[1,0,2,-8,56,-256,3184,-36224,273920,-2845696,
 48104704,-676312064,10591523840,-149454094336,
 2888557717504,-72214957359104,1249919350046720,
 -23620669488234496,624022403933077504,
 -15637185047733469184,372737701735949926400,
 -9655667879651150135296]

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Last modified May 20 19:00 EDT 2024. Contains 372720 sequences. (Running on oeis4.)