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A357718 as a simple table

n a(n)
0 1
1 0
2 -3
3 9
4 -24
5 60
6 -84
7 -756
8 13104
9 -157248
10 1795248
11 -20900880
12 254007936
13 -3250473408
14 43922668608
15 -626830626240
16 9437477107968
17 -149644407564288
18 2493958878657792
19 -43592393744250624
20 797394015216175104
21 -15230735270523601920

[1,0,-3,9,-24,60,-84,-756,13104,-157248,1795248,
 -20900880,254007936,-3250473408,43922668608,
 -626830626240,9437477107968,-149644407564288,
 2493958878657792,-43592393744250624,
 797394015216175104,-15230735270523601920]

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Last modified June 23 23:43 EDT 2024. Contains 373661 sequences. (Running on oeis4.)