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A320069 as a simple table

n a(n)
0 1
1 -2
2 2
3 -4
4 10
5 -16
6 20
7 -32
8 58
9 -86
10 112
11 -164
12 260
13 -368
14 480
15 -672
16 986
17 -1348
18 1750
19 -2372
20 3312
21 -4416
22 5684
23 -7520
24 10148
25 -13266
26 16912
27 -21960
28 28896
29 -37168
30 46944
31 -60032
32 77466
33 -98312
34 123076
35 -155392
36 197422
37 -247696
38 307540
39 -384096
40 481776
41 -598500

[1,-2,2,-4,10,-16,20,-32,58,-86,112,-164,260,-368,
 480,-672,986,-1348,1750,-2372,3312,-4416,5684,
 -7520,10148,-13266,16912,-21960,28896,-37168,
 46944,-60032,77466,-98312,123076,-155392,197422,
 -247696,307540,-384096,481776,-598500]

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Last modified September 17 11:15 EDT 2024. Contains 375987 sequences. (Running on oeis4.)