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A303439 as a simple table

n a(n)
0 1
1 -2
2 0
3 -2
4 6
5 -6
6 4
7 -6
8 48
9 -118
10 96
11 -78
12 470
13 -810
14 396
15 -3050
16 11062
17 -12678
18 7072
19 -21454
20 80034
21 -201490
22 218940
23 -200658
24 1536724
25 -3268842
26 2079312
27 -7013266
28 23140282
29 -28227510
30 24133668
31 -56293910
32 288065712
33 -704485126
34 629862288
35 -1176210654

[1,-2,0,-2,6,-6,4,-6,48,-118,96,-78,470,-810,396,
 -3050,11062,-12678,7072,-21454,80034,-201490,
 218940,-200658,1536724,-3268842,2079312,-7013266,
 23140282,-28227510,24133668,-56293910,288065712,
 -704485126,629862288,-1176210654]

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Last modified July 29 07:18 EDT 2024. Contains 374731 sequences. (Running on oeis4.)