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A013561
as a simple table
n
a(n)
3
1
4
1
5
1
6
1
7
3
8
1
9
1
10
11
11
11
12
1
13
1
14
31
15
90
16
31
17
1
18
1
19
85
20
544
21
544
22
85
23
1
24
1
25
225
26
2997
27
6559
28
2997
29
225
30
1
[1,1,1,1,3,1,1,11,11,1,1,31,90,31,1,1,85,544,544, 85,1,1,225,2997,6559,2997,225,1]
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Last modified August 26 18:51 EDT 2024. Contains 375462 sequences. (Running on oeis4.)
