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A154570 as a simple table

n a(n)
0 1
1 3
2 -4
3 2
4 -6
5 -2
6 -14
7 -18
8 -46
9 -82
10 -174
11 -338
12 -686
13 -1362
14 -2734
15 -5458
16 -10926
17 -21842
18 -43694
19 -87378
20 -174766
21 -349522
22 -699054
23 -1398098
24 -2796206
25 -5592402
26 -11184814
27 -22369618
28 -44739246
29 -89478482
30 -178956974
31 -357913938
32 -715827886

[1,3,-4,2,-6,-2,-14,-18,-46,-82,-174,-338,-686,
 -1362,-2734,-5458,-10926,-21842,-43694,-87378,
 -174766,-349522,-699054,-1398098,-2796206,
 -5592402,-11184814,-22369618,-44739246,-89478482,
 -178956974,-357913938,-715827886]

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Last modified April 25 03:15 EDT 2024. Contains 371964 sequences. (Running on oeis4.)