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A204291 as a simple table

n a(n)
1 1
2 0
3 1
4 0
5 4
6 -3
7 12
8 0
9 17
10 -10
11 88
12 -54
13 232
14 -28
15 184
16 0
17 1596
18 -969
19 4180
20 -1230
21 4632
22 -198
23 28656
24 -17388
25 60020
26 -520
27 98209
28 -23604
29 514228
30 -461932
31 1346268
32 0
33 1722688
34 -3570
35 6672168
36 -5598882
37 24157816
38 -9348
39 31351552
40 -18606210
41 165580140

[1,0,1,0,4,-3,12,0,17,-10,88,-54,232,-28,184,0,
 1596,-969,4180,-1230,4632,-198,28656,-17388,60020,
 -520,98209,-23604,514228,-461932,1346268,0,
 1722688,-3570,6672168,-5598882,24157816,-9348,
 31351552,-18606210,165580140]

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Last modified October 4 03:29 EDT 2022. Contains 357237 sequences. (Running on oeis4.)