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A067145 as a simple table

n a(n)
1 1
2 1
3 -1
4 3
5 -13
6 69
7 -419
8 2809
9 -20353
10 157199
11 -1281993
12 10963825
13 -97828031
14 907177801
15 -8716049417
16 86553001779
17 -886573220093
18 9351927111901
19 -101447092428243
20 1130357986741545
21 -12923637003161409
22 151479552582252239
23 -1818756036793636033

[1,1,-1,3,-13,69,-419,2809,-20353,157199,-1281993,
 10963825,-97828031,907177801,-8716049417,
 86553001779,-886573220093,9351927111901,
 -101447092428243,1130357986741545,
 -12923637003161409,151479552582252239,
 -1818756036793636033]

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Last modified April 26 10:40 EDT 2024. Contains 371994 sequences. (Running on oeis4.)