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A307454
as a simple table
n
a(n)
2
1
3
3
4
9
5
33
6
123
7
513
8
2077
9
8759
10
37184
11
159508
12
688446
13
2993451
14
13082724
[1,3,9,33,123,513,2077,8759,37184,159508,688446, 2993451,13082724]
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Last modified July 1 05:22 EDT 2024. Contains 373911 sequences. (Running on oeis4.)
