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A005445 as a simple table

n a(n)
0 0
1 1
2 1
3 8
4 16
5 224
6 608
7 13320
8 41760
9 1366152
10 4440312
11 215100192
12 655723440
13 48242081328
14 121651212720
15 14627299801728
16 24367884018048
17 5768946415383552
18 2780730890516736
19 2872938805170308352
20 -2941729703083507968
21 1764460446550873413120

[0,1,1,8,16,224,608,13320,41760,1366152,4440312,
 215100192,655723440,48242081328,121651212720,
 14627299801728,24367884018048,5768946415383552,
 2780730890516736,2872938805170308352,
 -2941729703083507968,1764460446550873413120]

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Last modified March 28 05:39 EDT 2024. Contains 371235 sequences. (Running on oeis4.)