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A057681 as a simple table

n a(n)
0 1
1 1
2 1
3 0
4 -3
5 -9
6 -18
7 -27
8 -27
9 0
10 81
11 243
12 486
13 729
14 729
15 0
16 -2187
17 -6561
18 -13122
19 -19683
20 -19683
21 0
22 59049
23 177147
24 354294
25 531441
26 531441
27 0
28 -1594323
29 -4782969
30 -9565938
31 -14348907
32 -14348907
33 0
34 43046721
35 129140163
36 258280326
37 387420489
38 387420489

[1,1,1,0,-3,-9,-18,-27,-27,0,81,243,486,729,729,0,
 -2187,-6561,-13122,-19683,-19683,0,59049,177147,
 354294,531441,531441,0,-1594323,-4782969,-9565938,
 -14348907,-14348907,0,43046721,129140163,
 258280326,387420489,387420489]

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Last modified April 25 05:18 EDT 2024. Contains 371964 sequences. (Running on oeis4.)