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A005307
as a simple table
n
a(n)
0
1
1
-1
2
0
3
0
4
1
5
0
6
1
7
0
8
2
9
0
10
3
11
1
12
6
13
2
14
9
15
6
16
16
[1,-1,0,0,1,0,1,0,2,0,3,1,6,2,9,6,16]
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Last modified March 28 14:02 EDT 2024. Contains 371254 sequences. (Running on oeis4.)