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A121864
as a simple table
n
a(n)
4
16
5
50
6
406
7
1258008
8
25465014649108
9
208080288305986199465852412572946560
[16,50,406,1258008,25465014649108, 208080288305986199465852412572946560]
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Last modified September 19 05:24 EDT 2024. Contains 376004 sequences. (Running on oeis4.)
