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A089416
as a simple table
n
a(n)
0
1
1
2
2
4
3
5
4
11
5
17
6
21
7
30
8
52
9
74
[1,2,4,5,11,17,21,30,52,74]
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Last modified April 25 03:15 EDT 2024. Contains 371964 sequences. (Running on oeis4.)