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A050559
as a simple table
n
a(n)
1
5
2
9
3
21
4
45
5
65
6
77
7
273
8
677
9
1049
10
1721
11
17105
12
18645
13
27761
14
61661
15
79773
16
403461
17
527037
18
722805
[5,9,21,45,65,77,273,677,1049,1721,17105,18645, 27761,61661,79773,403461,527037,722805]
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Last modified May 8 13:24 EDT 2024. Contains 372333 sequences. (Running on oeis4.)