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A157241 as a simple table

n a(n)
0 0
1 1
2 3
3 3
4 -5
5 -21
6 -21
7 43
8 171
9 171
10 -341
11 -1365
12 -1365
13 2731
14 10923
15 10923
16 -21845
17 -87381
18 -87381
19 174763
20 699051
21 699051
22 -1398101
23 -5592405
24 -5592405
25 11184811
26 44739243
27 44739243
28 -89478485
29 -357913941

[0,1,3,3,-5,-21,-21,43,171,171,-341,-1365,-1365,
 2731,10923,10923,-21845,-87381,-87381,174763,
 699051,699051,-1398101,-5592405,-5592405,11184811,
 44739243,44739243,-89478485,-357913941]

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Last modified March 28 05:39 EDT 2024. Contains 371235 sequences. (Running on oeis4.)