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A128631
as a simple table
n
a(n)
0
0
1
1
2
2
3
3
4
7
5
11
6
23
7
47
8
185
9
431
10
1438
11
6063
12
31067
[0,1,2,3,7,11,23,47,185,431,1438,6063,31067]
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Last modified September 12 15:43 EDT 2024. Contains 375853 sequences. (Running on oeis4.)