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A321889
as a simple table
n
a(n)
1
1
2
1
3
-1
4
3
5
1
6
-2
7
-1
8
10
9
3
10
2
11
1
12
-7
13
-1
14
-2
15
-2
16
47
17
1
18
6
[1,1,-1,3,1,-2,-1,10,3,2,1,-7,-1,-2,-2,47,1,6]