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A007259 as a simple table

n a(n)
0 1
1 -8
2 28
3 -64
4 134
5 -288
6 568
7 -1024
8 1809
9 -3152
10 5316
11 -8704
12 13990
13 -22208
14 34696
15 -53248
16 80724
17 -121240
18 180068
19 -264448
20 384940
21 -556064
22 796760
23 -1132544
24 1598789
25 -2243056
26 3127360
27 -4333568
28 5971922
29 -8188096
30 11170160
31 -15163392
32 20491033
33 -27572936

[1,-8,28,-64,134,-288,568,-1024,1809,-3152,5316,
 -8704,13990,-22208,34696,-53248,80724,-121240,
 180068,-264448,384940,-556064,796760,-1132544,
 1598789,-2243056,3127360,-4333568,5971922,
 -8188096,11170160,-15163392,20491033,-27572936]

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Last modified April 20 00:03 EDT 2024. Contains 371798 sequences. (Running on oeis4.)