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A146780
as a simple table
n
a(n)
1
1
2
1
3
1
4
1
5
1
6
1
7
1
8
1
9
1
10
1
11
1
12
1
13
5
14
5
15
17
16
17
17
43
18
43
19
145
20
145
21
633
22
633
[1,1,1,1,1,1,1,1,1,1,1,1,5,5,17,17,43,43,145,145, 633,633]
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Last modified March 29 08:13 EDT 2024. Contains 371265 sequences. (Running on oeis4.)