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A252662
as a simple table
n
a(n)
1
4
2
8
3
10
4
14
5
20
6
26
7
38
8
44
9
56
10
80
11
190
[4,8,10,14,20,26,38,44,56,80,190]
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Last modified April 25 10:33 EDT 2024. Contains 371967 sequences. (Running on oeis4.)