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A258701
as a simple table
n
a(n)
1
0
2
0
3
1
4
0
5
0
6
0
7
2
8
0
9
4
10
0
11
0
12
2
13
1206969
[0,0,1,0,0,0,2,0,4,0,0,2,1206969]
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Last modified March 28 15:38 EDT 2024. Contains 371254 sequences. (Running on oeis4.)