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A205970 as a simple table

n a(n)
0 1
1 -3
2 3
3 -6
4 9
5 0
6 24
7 -78
8 63
9 -102
10 0
11 0
12 432
13 -1398
14 2262
15 0
16 2961
17 0
18 7752
19 -25086
20 0
21 -65676
22 0
23 0
24 139104
25 -225075
26 728358
27 -589254
28 1906866
29 0
30 0
31 -8077614
32 6534927
33 0
34 0
35 0
36 44791056
37 -144946902
38 234529014
39 -379475916
40 0
41 0
42 1607485776
43 -2600966622
44 0

[1,-3,3,-6,9,0,24,-78,63,-102,0,0,432,-1398,2262,
 0,2961,0,7752,-25086,0,-65676,0,0,139104,-225075,
 728358,-589254,1906866,0,0,-8077614,6534927,0,0,0,
 44791056,-144946902,234529014,-379475916,0,0,
 1607485776,-2600966622,0]

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Last modified August 30 13:06 EDT 2024. Contains 375543 sequences. (Running on oeis4.)