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A169998 as a simple table

n a(n)
0 1
1 1
2 -3
3 1
4 5
5 -7
6 -3
7 17
8 -11
9 -23
10 45
11 1
12 -91
13 89
14 93
15 -271
16 85
17 457
18 -627
19 -287
20 1541
21 -967
22 -2115
23 4049
24 181
25 -8279
26 7917
27 8641
28 -24475
29 7193
30 41757
31 -56143
32 -27371
33 139657
34 -84915
35 -194399
36 364229
37 24569
38 -753027
39 703889
40 802165
41 -2209943
42 605613
43 3814273
44 -5025499
45 -2603047

[1,1,-3,1,5,-7,-3,17,-11,-23,45,1,-91,89,93,-271,
 85,457,-627,-287,1541,-967,-2115,4049,181,-8279,
 7917,8641,-24475,7193,41757,-56143,-27371,139657,
 -84915,-194399,364229,24569,-753027,703889,802165,
 -2209943,605613,3814273,-5025499,-2603047]

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Last modified August 10 16:56 EDT 2020. Contains 336381 sequences. (Running on oeis4.)