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A012345 as a simple table

n a(n)
0 2
1 8
2 248
3 11328
4 849312
5 94857600
6 14819214720
7 3091936512000
8 831657655349760
9 280473756197529600
10 115967597965430077440
11 57712257892456911912960
12 34039765801079493369569280

[2,8,248,11328,849312,94857600,14819214720,
 3091936512000,831657655349760,280473756197529600,
 115967597965430077440,57712257892456911912960,
 34039765801079493369569280]

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Last modified February 19 10:13 EST 2019. Contains 320310 sequences. (Running on oeis4.)