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A077785 as a simple table

n a(n)
1 3
2 15
3 27
4 117
5 259
6 507
7 3315
8 4489
9 4875
10 15849
11 19807
12 23799
13 36315
14 37915
15 47331
16 211219 

[3,15,27,117,259,507,3315,4489,4875,15849,19807,
 23799,36315,37915,47331,211219]

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Last modified April 23 03:30 EDT 2024. Contains 371906 sequences. (Running on oeis4.)