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A256981
as a simple table
n
a(n)
3
1
4
1
5
7
6
30
7
141
8
668
9
3249
10
15666
11
75931
12
367664
13
1781841
14
8636667
15
41888162
[1,1,7,30,141,668,3249,15666,75931,367664,1781841, 8636667,41888162]
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Last modified April 24 05:36 EDT 2024. Contains 371918 sequences. (Running on oeis4.)
