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A089877 as a simple table

n a(n)
0 1
1 1
2 0
3 0
4 0
5 5
6 0
7 0
8 0
9 5
10 0
11 10
12 0
13 5
14 0
15 10
16 0
17 45
18 0
19 10
20 0

[1,1,0,0,0,5,0,0,0,5,0,10,0,5,0,10,0,45,0,10,0]

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Last modified April 30 05:35 EDT 2024. Contains 372119 sequences. (Running on oeis4.)