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A247256 as a simple table

n a(n)
0 1
1 1
2 0
3 -6
4 -12
5 20
6 300
7 252
8 -3024
9 -36720
10 106560
11 110880
12 12212640
13 -125629920
14 1005286464
15 -16865735040
16 252900345600
17 -3575747185920
18 58447092395520
19 -1014901444454400
20 18218754479923200
21 -346655486035998720
22 6952232946445839360
23 -145913061049673702400
24 3205301440394904238080

[1,1,0,-6,-12,20,300,252,-3024,-36720,106560,
 110880,12212640,-125629920,1005286464,
 -16865735040,252900345600,-3575747185920,
 58447092395520,-1014901444454400,
 18218754479923200,-346655486035998720,
 6952232946445839360,-145913061049673702400,
 3205301440394904238080]

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Last modified April 23 07:57 EDT 2024. Contains 371905 sequences. (Running on oeis4.)