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A175722 as a simple table

n a(n)
0 1
1 -1
2 4
3 -6
4 14
5 -24
6 47
7 -83
8 152
9 -268
10 476
11 -832
12 1453
13 -2517
14 4348
15 -7474
16 12810
17 -21880
18 37275
19 -63335
20 107376
21 -181656
22 306744
23 -517056
24 870169
25 -1462249
26 2453812
27 -4112478
28 6884102
29 -11510808
30 19226951
31 -32084027
32 53489288
33 -89097892
34 148290068

[1,-1,4,-6,14,-24,47,-83,152,-268,476,-832,1453,
 -2517,4348,-7474,12810,-21880,37275,-63335,107376,
 -181656,306744,-517056,870169,-1462249,2453812,
 -4112478,6884102,-11510808,19226951,-32084027,
 53489288,-89097892,148290068]

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Last modified June 13 11:42 EDT 2021. Contains 344992 sequences. (Running on oeis4.)