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A065657 as a simple table

n a(n)
1 3
2 9
3 39
4 117
5 351
6 507
7 3417
8 10251
9 30753
10 58089
11 92259
12 656121
13 3870849
14 98845053
15 429262593
16 7508684661

[3,9,39,117,351,507,3417,10251,30753,58089,92259,
 656121,3870849,98845053,429262593,7508684661]

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Last modified April 16 14:17 EDT 2024. Contains 371740 sequences. (Running on oeis4.)