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A239618
as a simple table
n
a(n)
1
0
2
0
3
5
4
19
5
65
6
242
7
704
8
1884
9
4631
[0,0,5,19,65,242,704,1884,4631]
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Last modified April 23 16:40 EDT 2024. Contains 371916 sequences. (Running on oeis4.)