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A093357 as a simple table

n a(n)
1 0
2 4
3 20
4 88
5 368
6 1504
7 6080
8 24448
9 98048
10 392704
11 1571840
12 6289408
13 25161728
14 100655104
15 402636800
16 1610579968
17 6442385408
18 25769672704
19 103078952960
20 412316336128
21 1649266393088
22 6597067669504
23 26388274872320

[0,4,20,88,368,1504,6080,24448,98048,392704,
 1571840,6289408,25161728,100655104,402636800,
 1610579968,6442385408,25769672704,103078952960,
 412316336128,1649266393088,6597067669504,
 26388274872320]

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Last modified May 16 10:39 EDT 2024. Contains 372552 sequences. (Running on oeis4.)