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A013567 as a simple table

n a(n)
0 1
1 0
2 -1
3 9
4 -54
5 210
6 510
7 -24500
8 355544
9 -3310776
10 7970880
11 511460048
12 -14772993312
13 247420878848
14 -2080751146656
15 -34093875419760
16 2085552636479488
17 -56037789835944320
18 880848150693672192

[1,0,-1,9,-54,210,510,-24500,355544,-3310776,
 7970880,511460048,-14772993312,247420878848,
 -2080751146656,-34093875419760,2085552636479488,
 -56037789835944320,880848150693672192]

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Last modified May 8 19:26 EDT 2024. Contains 372341 sequences. (Running on oeis4.)