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A240677 as a simple table

n a(n)
0 1
1 -2
2 -3
3 -1
4 3
5 3
6 -9
7 -17
8 51
9 155
10 -465
11 -2073
12 6219
13 38227
14 -114681
15 -929569
16 2788707
17 28820619
18 -86461857
19 -1109652905
20 3328958715
21 51943281731
22 -155829845193
23 -2905151042481
24 8715453127443

[1,-2,-3,-1,3,3,-9,-17,51,155,-465,-2073,6219,
 38227,-114681,-929569,2788707,28820619,-86461857,
 -1109652905,3328958715,51943281731,-155829845193,
 -2905151042481,8715453127443]

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Last modified September 16 02:36 EDT 2024. Contains 375959 sequences. (Running on oeis4.)