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A305595 as a simple table

n a(n)
1 3
2 6
3 8
4 15
5 30
6 67
7 126
8 261
9 540
10 1101
11 2442

[3,6,8,15,30,67,126,261,540,1101,2442]

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Last modified May 7 09:05 EDT 2021. Contains 343636 sequences. (Running on oeis4.)