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A240880 as a simple table

n a(n)
0 1
1 1
2 -6
3 33
4 -162
5 666
6 -1836
7 -2079
8 79542
9 -741474
10 4907628
11 -24837030
12 82449900
13 53319060
14 -3741922008
15 38613958497
16 -274566158298
17 1475669401398
18 -5211777090564
19 -2356585871778
20 240686500011588
21 -2593621485808596
22 19047621883804056
23 -105353643788834598

[1,1,-6,33,-162,666,-1836,-2079,79542,-741474,
 4907628,-24837030,82449900,53319060,-3741922008,
 38613958497,-274566158298,1475669401398,
 -5211777090564,-2356585871778,240686500011588,
 -2593621485808596,19047621883804056,
 -105353643788834598]

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Last modified October 17 13:27 EDT 2018. Contains 316280 sequences. (Running on oeis4.)