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A133176
as a simple table
n
a(n)
1
0
2
0
3
0
4
1
5
0
6
3
7
1
8
13
9
7
10
59
11
70
12
553
13
1277
14
7661
15
32395
16
199205
17
1149306
18
7752187
19
53913897
[0,0,0,1,0,3,1,13,7,59,70,553,1277,7661,32395, 199205,1149306,7752187,53913897]
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Last modified September 24 07:53 EDT 2024. Contains 376188 sequences. (Running on oeis4.)
