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A050881
as a simple table
n
a(n)
1
4
2
6
3
28
4
76
5
96
6
124
7
294
8
396
9
726
10
868
11
928
12
1400
13
3056
14
6594
15
12588
16
15708
17
88576
18
144288
19
238468
[4,6,28,76,96,124,294,396,726,868,928,1400,3056, 6594,12588,15708,88576,144288,238468]
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Last modified April 27 19:34 EDT 2024. Contains 372020 sequences. (Running on oeis4.)