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A298884
as a simple table
n
a(n)
1
0
2
3
3
15
4
40
5
123
6
516
7
1818
8
7768
9
41048
10
242083
11
1483959
12
10171555
[0,3,15,40,123,516,1818,7768,41048,242083,1483959, 10171555]
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Last modified May 7 09:38 EDT 2024. Contains 372302 sequences. (Running on oeis4.)