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A181769
as a simple table
n
a(n)
0
1
1
1
2
1
3
3
4
7
5
22
6
73
7
298
8
1581
9
11079
10
102771
11
1275419
12
21101335
13
469250886
[1,1,1,3,7,22,73,298,1581,11079,102771,1275419, 21101335,469250886]
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Last modified May 14 16:21 EDT 2024. Contains 372533 sequences. (Running on oeis4.)