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A143650
as a simple table
n
a(n)
1
4
2
56
3
80
4
4032
5
4960
6
21760
7
157248
8
1024128
9
39940992
10
2354688
11
91832832
12
655452160
[4,56,80,4032,4960,21760,157248,1024128,39940992, 2354688,91832832,655452160]
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Last modified April 26 16:30 EDT 2024. Contains 372003 sequences. (Running on oeis4.)