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A256569
as a simple table
n
a(n)
1
1
2
6
3
21
4
61
5
171
6
461
7
1181
8
2951
[1,6,21,61,171,461,1181,2951]
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Last modified April 18 20:26 EDT 2024. Contains 371781 sequences. (Running on oeis4.)
