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A115747 as a simple table

n a(n)
1 18
2 20
3 88
4 368
5 1504
6 24448
7 98048
8 5238976
9 25161728
10 2730992944
11 33995232256
12 412316336128
13 1391737114624
14 7732492570624 

[18,20,88,368,1504,24448,98048,5238976,25161728,
 2730992944,33995232256,412316336128,1391737114624,
 7732492570624]

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Last modified April 23 18:16 EDT 2024. Contains 371916 sequences. (Running on oeis4.)