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A129698
as a simple table
n
a(n)
1
1
2
1
3
2
4
4
5
9
6
23
7
66
8
209
9
718
10
2645
11
10373
12
43090
13
188803
14
869191
15
4189511
[1,1,2,4,9,23,66,209,718,2645,10373,43090,188803, 869191,4189511]
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Last modified September 20 16:55 EDT 2024. Contains 376075 sequences. (Running on oeis4.)
