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A093904
as a simple table
n
a(n)
1
0
2
1
3
4
4
17
5
84
6
485
7
3236
8
24609
9
210572
10
2004749
11
21033900
12
241237001
[0,1,4,17,84,485,3236,24609,210572,2004749, 21033900,241237001]
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Last modified May 8 05:33 EDT 2024. Contains 372319 sequences. (Running on oeis4.)
