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A220833
as a simple table
n
a(n)
1
2
2
11
3
28
4
109
5
470
6
2145
7
10300
8
51135
9
260930
10
1359391
[2,11,28,109,470,2145,10300,51135,260930,1359391]
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Last modified September 17 19:42 EDT 2024. Contains 375990 sequences. (Running on oeis4.)