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A118444 as a simple table

n a(n)
0 1
1 -1
2 1
3 -9
4 -31
5 79
6 161
7 -249
8 -191
9 -481
10 -2879
11 9111
12 22049
13 -42641
14 -60319
15 28071
16 -189311
17 897599
18 2643841
19 -6087369
20 -11130271
21 14084239
22 685601
23 67678791
24 274143169
25 -758178721
26 -1661999039
27 2857102551
28 3118415009
29 1811852719
30 22839485921
31 -82298680089
32 -214997290751

[1,-1,1,-9,-31,79,161,-249,-191,-481,-2879,9111,
 22049,-42641,-60319,28071,-189311,897599,2643841,
 -6087369,-11130271,14084239,685601,67678791,
 274143169,-758178721,-1661999039,2857102551,
 3118415009,1811852719,22839485921,-82298680089,
 -214997290751]

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Last modified May 8 18:04 EDT 2024. Contains 372340 sequences. (Running on oeis4.)