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A152270 as a simple table

n a(n)
0 0
1 1
2 -3
3 -13
4 15
5 -37
6 23
7 -125
8 -467
9 -2269
10 -2269
11 -12147
12 -66877
13 -66877
14 -66877
15 -66877
16 -370963
17 -2061725
18 -11464371
19 17899313
20 99555423
21 99555423
22 -155471765
23 -864636987
24 1350136841
25 1350136841
26 -2108411107
27 -2108411107

[0,1,-3,-13,15,-37,23,-125,-467,-2269,-2269,
 -12147,-66877,-66877,-66877,-66877,-370963,
 -2061725,-11464371,17899313,99555423,99555423,
 -155471765,-864636987,1350136841,1350136841,
 -2108411107,-2108411107]

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Last modified April 19 15:34 EDT 2024. Contains 371794 sequences. (Running on oeis4.)