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A322039 as a simple table

n a(n)
0 1
1 0
2 4
3 -4
4 16
5 -28
6 72
7 -148
8 336
9 -716
10 1560
11 -3332
12 7136
13 -15164
14 32168
15 -67956
16 143216
17 -300972
18 631096
19 -1320420
20 2757376
21 -5747740
22 11961544
23 -24855124
24 51574416
25 -106877068
26 221210712
27 -457334468
28 944495136
29 -1948642556

[1,0,4,-4,16,-28,72,-148,336,-716,1560,-3332,7136,
 -15164,32168,-67956,143216,-300972,631096,
 -1320420,2757376,-5747740,11961544,-24855124,
 51574416,-106877068,221210712,-457334468,
 944495136,-1948642556]

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Last modified October 20 10:10 EDT 2021. Contains 348100 sequences. (Running on oeis4.)