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A136297 as a simple table

n a(n)
0 1
1 3
2 1
3 -3
4 -3
5 3
6 9
7 9
8 9
9 27
10 81
11 189
12 405
13 891
14 2025
15 4617
16 10449
17 23571
18 53217
19 120285
20 271917
21 614547
22 1388745
23 3138345
24 7092441
25 16028523
26 36223281
27 81861597
28 185000517
29 418086603
30 944843049
31 2135270889
32 4825543329
33 10905346467
34 24645222081
35 55696256829
36 125869143645

[1,3,1,-3,-3,3,9,9,9,27,81,189,405,891,2025,4617,
 10449,23571,53217,120285,271917,614547,1388745,
 3138345,7092441,16028523,36223281,81861597,
 185000517,418086603,944843049,2135270889,
 4825543329,10905346467,24645222081,55696256829,
 125869143645]

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Last modified May 10 01:03 EDT 2024. Contains 372354 sequences. (Running on oeis4.)