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A260186 as a simple table

n a(n)
0 1
1 -4
2 12
3 -32
4 80
5 -184
6 400
7 -832
8 1664
9 -3220
10 6056
11 -11104
12 19904
13 -34968
14 60320
15 -102336
16 171008
17 -281800
18 458428
19 -736928
20 1171552
21 -1843328
22 2872368
23 -4435392
24 6790656
25 -10313180
26 15544136
27 -23259968
28 34568576
29 -51042392
30 74901984
31 -109268224
32 158507008

[1,-4,12,-32,80,-184,400,-832,1664,-3220,6056,
 -11104,19904,-34968,60320,-102336,171008,-281800,
 458428,-736928,1171552,-1843328,2872368,-4435392,
 6790656,-10313180,15544136,-23259968,34568576,
 -51042392,74901984,-109268224,158507008]

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Last modified April 24 16:56 EDT 2024. Contains 371962 sequences. (Running on oeis4.)