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A012451 as a simple table

n a(n)
0 2
1 0
2 -80
3 -2688
4 18688
5 2928640
6 827766784
7 -52425949184
8 11263759220736
9 -6439993741672448
10 1974174235078164480
11 -952764420869394006016
12 577855093673994995367936
13 -371995357739088472730238976

[2,0,-80,-2688,18688,2928640,827766784,
 -52425949184,11263759220736,-6439993741672448,
 1974174235078164480,-952764420869394006016,
 577855093673994995367936,
 -371995357739088472730238976]

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Last modified March 29 04:59 EDT 2024. Contains 371264 sequences. (Running on oeis4.)